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WorksheetsPhys science
Total questions: 158
Worksheet time: 1hrs 19mins
Name
Class
Date
1.
What is matter?
a)
Left of the table
b)
Anything that occupies space and has mass
c)
Genesis 1:28
d)
John Dalton
2.
What charge does a neutron have?
a)
Formula
b)
1 copper and 1 sulfur and 4 oxygen
c)
Neutral
d)
Different
3.
What is metallic bonding?
a)
7
b)
Chemical bonding by positive ions of a metal in a sea of shared electrons
c)
Metalloids
d)
Substances
4.
What is a compound?
a)
Democritus
b)
A pure substance consisting of atoms of 2/more different elements that are chemically combined
c)
Nonmetals and metals
d)
False; example, H2O
5.
What are orbitals?
a)
Group
b)
outside the nucleus
c)
Subdivisions of energy levels
d)
Hydrocarbons
6.
What is the smallest particle outside of the nucleus?
a)
Covalent
b)
slightly less than a neutron
c)
Electron
d)
The mass of matter contained within a particular volume
7.
What fundamental SI unit is used for the amount of substance?
a)
False; it's The law of definite proportion....
b)
The chemistry of life
c)
Mole
d)
Mass
8.
True/False (if false put correct answer): Metals make up 60% of the elements on the periodic table.
a)
Atoms are indivisible particles
b)
Hydrocarbons
c)
False; it's 80%
d)
Structures
9.
What is the Law of definite proportions?
a)
The masses and chemical substances combine in definite, characteristics integer ratios when forming compounds
b)
Anything that occupies space and has mass
c)
the study of nonliving matter and energy
d)
1 magnesium and 4 hydroxides (2 hydrogens and 2 oxygen combined)
10.
How many of what kind of atoms are in Mg(OH)2?
a)
Matter
b)
1 magnesium and 4 hydroxides (2 hydrogens and 2 oxygen combined)
c)
Mass
d)
Between metals and nonmetals
11.
Where in the Bible is the Creation Mandate found?
a)
negative
b)
Genesis 1:28
c)
Covalent
d)
Link
12.
Fill in blank: _____________ bonding is chemical bonding by ___________ electrons
a)
Ionic
b)
False; Switch matter and mass
c)
Covalent
d)
Kelvin
13.
Sharing
a)
8
b)
Level
c)
Sharing
d)
Mole
14.
Who created the planetary model?
a)
Niels Bohr
b)
Covalent bonding
c)
A pure substance consisting of atoms of 2/more different elements that are chemically combined
d)
Nonmetals and metals
15.
Fill in the blank: An atom is the smallest ___________ of an element that returns the _______________ of that element
a)
Niels Bohr
b)
Particles
c)
Mole
d)
Metallic
16.
Properties
a)
Kelvin
b)
Properties
c)
Hydrocarbons
d)
Family
17.
What charge does a proton have?
a)
outside the nucleus
b)
Metal
c)
Positive
d)
chemical bonding by transfer of electrons
18.
What fundamental SI unit is used for mass?
a)
Kelvin
b)
Kilogram
c)
False; there were blanks
d)
The mass of matter contained within a particular volume
19.
How many carbons does methane have?
a)
False; an atom is the smallest particle.....
b)
1 carbon
c)
Elements
d)
The masses and chemical substances combine in definite, characteristics integer ratios when forming compounds
20.
What is the mass of matter contained within a particular volume?
a)
Particles
b)
Genesis 1:28
c)
18
d)
Density
21.
Physics and chemistry are the 2 main divisions of what?
a)
Physical science
b)
Outermost
c)
Positive
d)
Phenomenon
22.
True/False (if false put correct answer): An example of covalent bonding is table salt.
a)
Neutral
b)
False; example, H2O
c)
A row on the periodic table
d)
3 carbons
23.
What is the plum pudding model?
a)
Atoms are indivisible particles
b)
a workable explanation or description of a phenomenon
c)
A positive mass with electrons floating in it
d)
Atoms are mostly open space
24.
What fundamental SI unit is used for time?
a)
Second
b)
Atoms are indivisible particles
c)
Link
d)
outermost shell
25.
Who created the 1st modern atomic model?
a)
John Dalton
b)
slightly larger than a proton
c)
Compounds
d)
80%
26.
True/False (if false put correct answer): Monomers are any group of small, similar molecules that can link into a chain.
a)
3 carbons
b)
True
c)
Ionic
d)
A period
27.
What is the amount of matter in an object?
a)
Mass
b)
Vary
c)
Direction
d)
Particular
28.
Does a group or period have the same energy levels?
a)
A period
b)
False; it's 80%
c)
Link
d)
outside the nucleus
29.
Fill in the blank: Physical science is the study of ___________ matter and ______.
a)
17
b)
Nonliving
c)
Pattern
d)
Formula
30.
Energy
a)
Genesis 1:28
b)
A pure substance that consistis of the smae kind of atoms throughout
c)
outermost shell
d)
Energy
31.
Fill in the blank: The particle ________ of matter is all ____________ is made of tiny particles in constant ___________ in random ____________.
a)
Molecules
b)
Theory
c)
Different
d)
Covalent
32.
Matter
a)
Matter
b)
Nonliving
c)
Mass
d)
Candela
33.
Motion
a)
False; Switch matter and mass
b)
8 carbons
c)
The properties of the elements vary with their atomic number in a regular, repeated pattern
d)
Motion
34.
Direction
a)
Subdivisions of energy levels
b)
Direction
c)
Level
d)
slightly less than a neutron
35.
What is an element?
a)
Link
b)
Neutral
c)
A pure substance that consistis of the smae kind of atoms throughout
d)
Weight
36.
What group are the halogens found in?
a)
Atoms are mostly open space
b)
17
c)
Dmitri Mendeleev
d)
Be fruitful, multiply, and subdue the earth; be wise stewards
37.
What are polymers?
a)
1 magnesium and 4 hydroxides (2 hydrogens and 2 oxygen combined)
b)
long chains of monomers
c)
chemical bonding by transfer of electrons
d)
Matter
38.
What are the 7 fundamental SI units?
a)
Phenomenon
b)
Meter
c)
Meter (length), Kilogram (mass), Second (time), Kelvin (temperature), Mole (amount of substance), Candela (luminous intensity), and Ampere (electric current)
d)
1 carbon
39.
True/False (if false put correct answer): Mass is anything that occupies space and has matter.
a)
Gold foils with particles passing through it
b)
Left of the table
c)
Halogen
d)
False; Switch matter and mass
40.
What did Democritus believe?
a)
inside the nucleus
b)
Metallic
c)
Atoms are indivisible particles
d)
A positive mass with electrons floating in it
41.
Where is the neutron located
a)
inside the nucleus
b)
Ionic
c)
Candela
d)
Neutral
42.
What is Bohr's model?
a)
Periodic Law
b)
"Planetary model" of electron energy levels
c)
Niels Bohr
d)
Covalent bonding
43.
Fill in the blank: ______________ are probably found in the orbital.
a)
Electrons
b)
Molecules
c)
the smallest particle of an element that returns the properties of that element
d)
Electronic equipment
44.
Are the 3 types of bonding physical or chemical?
a)
Genesis 1:28
b)
Chemical
c)
Akali metals
d)
Compounds
45.
What is the gold foil experiment?
a)
False; Switch matter and mass
b)
1
c)
Ionic
d)
Gold foils with particles passing through it
46.
Fill in the blank: Isomers are compounds that have the same molecular ____________ but different ______________
a)
Metalloids
b)
Formula
c)
Be fruitful, multiply, and subdue the earth; be wise stewards
d)
Between metals and nonmetals
47.
Structures
a)
Electronic equipment
b)
Democritus
c)
Structures
d)
Formula
48.
Where are the metals found?
a)
Left of the table
b)
Electron
c)
Occupies
d)
Atoms are indivisible particles
49.
What is the mass of a proton?
a)
"Planetary model" of electron energy levels
b)
Monomers
c)
Meter
d)
slightly less than a neutron
50.
What is weight?
a)
The Law of Definite Proportions
b)
The measure gravity acting on the matter in an object
c)
Metal
d)
Formula
51.
What is physical science?
a)
Chemically
b)
False; it's an organic compound
c)
the study of nonliving matter and energy
d)
Ernest Rutherford
52.
What fundamental SI unit is used for electric current?
a)
Life
b)
Chemical bonding by sharing electrons
c)
Phenomenon
d)
Ampere
53.
Fill in blank: Density is the ______ of matter contained within a ___________ volume
a)
Chemically
b)
2 hydrogen and 1 oxygen
c)
Mass
d)
Family
54.
Particular
a)
Particular
b)
Orbitals
c)
Compounds
d)
Phenomenon
55.
What group are the Akali metals found in?
a)
An organic compound
b)
Genesis 1:28
c)
outermost shell
d)
1
56.
True/False (if false put correct answer): The Particle theory of matter is the masses and chemical substances combine in definite, characteristics integer ratios when forming compounds
a)
False; atomic MASS
b)
False; it's The law of definite proportion....
c)
A pure substance consisting of atoms of 2/more different elements that are chemically combined
d)
Mass
57.
What is the SI unit for mass?
a)
Particles
b)
7
c)
right side
d)
Gram
58.
True/False (if false put correct answer): It is called a family when a group of elements have similar chemical properties.
a)
True
b)
slightly larger than a proton
c)
Alkali metals
d)
Family
59.
Fill in the blank: Matter is anything that _______________- space and has _______.
a)
Occupies
b)
False; it's 80%
c)
Elements
d)
The mass of matter contained within a particular volume
60.
Mass
a)
inside the nucleus
b)
False; By the TRANSFER of electrons
c)
Occupies
d)
Mass
61.
How many of what kind of atoms are in H2O?
a)
7
b)
Matter
c)
2 hydrogen and 1 oxygen
d)
False; Switch matter and mass
62.
Which element group do not form compounds
a)
Genesis 1:28
b)
Substances
c)
Anything that occupies space and has mass
d)
Noble gases
63.
What are the 2 main division of physical science?
a)
Theory
b)
Physics and Chemistry
c)
The measure gravity acting on the matter in an object
d)
A pure substance that consistis of the smae kind of atoms throughout
64.
What is a model?
a)
A pure substance consisting of atoms of 2/more different elements that are chemically combined
b)
Group
c)
a workable explanation or description of a phenomenon
d)
Mole
65.
Fill in the blank: A valence ____________ is an electron in the ___________ energy ___________.
a)
17
b)
Genesis 1:28
c)
Electron
d)
Nonliving
66.
Outermost
a)
False; an atom is the smallest particle.....
b)
Outermost
c)
Niels Bohr
d)
Anything that occupies space and has mass
67.
Level
a)
The amount of matter in an object
b)
18
c)
Level
d)
False; atomic MASS
68.
What is Biochemistry?
a)
A row on the periodic table
b)
Group
c)
Kilogram
d)
The chemistry of life
69.
What charge does an electron have?
a)
negative
b)
1 copper and 1 sulfur and 4 oxygen
c)
A period
d)
Electron
70.
What fundamental SI unit is used for luminous intensity?
a)
Theory
b)
Genesis 1:28
c)
Candela
d)
Chemical bonding by sharing electrons
71.
What group easily loses 1 electron forming 1+ ion?
a)
Alkali metals
b)
False; there were blanks
c)
Mole
d)
Proportions
72.
What group easily gain 1 electron forming a 1- ion?
a)
Halogen
b)
Noble gases
c)
Anything that occupies space and has mass
d)
18
73.
True/False (if false put correct): Elements and Compounds are mixtures.
a)
17
b)
Mass
c)
False; they're pure substances
d)
Hydrocarbons
74.
Why were there blanks on the 1st periodic table?
a)
7
b)
80%
c)
Candela
d)
They were left for undiscovered elementsRXWA
75.
What is a atom?
a)
the smallest particle of an element that returns the properties of that element
b)
Democritus
c)
False; it's an organic compound
d)
Chemical bonding by sharing electrons
76.
How many carbons does ethane have?
a)
Metallic
b)
"Planetary model" of electron energy levels
c)
2 carbons
d)
The amount of matter in an object
77.
What fundamental SI unit is used for length?
a)
Explantation
b)
False; By the TRANSFER of electrons
c)
Meter
d)
Electronic equipment
78.
Fill in the blank: The Law of definite _____________ is the masses and chemical _______________ combine in definite, characteristics integer ratios when forming ____________.
a)
The mass of matter contained within a particular volume
b)
Proportions
c)
Gold foils with particles passing through it
d)
Nonmetals and metals
79.
Substances
a)
Pattern
b)
Mass
c)
False; By the TRANSFER of electrons
d)
Substances
80.
Compounds
a)
8
b)
Compounds
c)
Direction
d)
Weight
81.
Hydrocarbons contain what elements?
a)
Electron
b)
Life
c)
The Law of Definite Proportions
d)
Hydrogen and carbon atoms
82.
What group is the most reactive of the metals?
a)
Group
b)
Akali metals
c)
outermost shell
d)
The mass of matter contained within a particular volume
83.
Fill in the blank: Metallic bonding is chemical bonding by ___________ ions of a ______ in a sea of shared ______________________.
a)
An organic compound
b)
Positive
c)
2 hydrogen and 1 oxygen
d)
Subdivisions of energy levels
84.
Metal
a)
False; there were blanks
b)
False; atomic MASS
c)
Metal
d)
8
85.
Electrons
a)
Electrons
b)
Hydrogen and carbon atoms
c)
The properties of the elements vary with their atomic number in a regular, repeated pattern
d)
The arrangement of valence electrons
86.
What bonding is common with nonmetals?
a)
Phenomenon
b)
Covalent bonding
c)
Elements are made of atoms
d)
Monomers
87.
What are the 2 main ideas of the Creation Mandate?
a)
Gram
b)
An organic compound
c)
A period
d)
Be fruitful, multiply, and subdue the earth; be wise stewards
88.
Fill in the blank: J.J. Thompson created the __________ model .
a)
Plum
b)
The arrangement of valence electrons
c)
Group
d)
3 carbons
89.
What types of elements are also called semiconductors?
a)
inside the nucleus
b)
Life
c)
Metalloids
d)
Meter
90.
What did John Dalton believe?
a)
The masses and chemical substances combine in definite, characteristics integer ratios when forming compounds
b)
1
c)
Elements are made of atoms
d)
8
91.
What fundamental SI unit is used for temperature?
a)
False; it's an organic compound
b)
17
c)
Kelvin
d)
7
92.
What is any covalently bonded compound containing carbon?
a)
Density
b)
Pattern
c)
An organic compound
d)
Hydrocarbons
93.
Fill in the blank: A model is a workable _______________ or description of a ________________.
a)
False; it's an organic compound
b)
A row on the periodic table
c)
Explantation
d)
Formula
94.
Phenomenon
a)
Mass
b)
80%
c)
Phenomenon
d)
Compounds that have the same molecular formula but different structures.
95.
Where is the electron located?
a)
Ionic
b)
Sharing
c)
outside the nucleus
d)
Electronic equipment
96.
True/False (if false put correct answer): Metalloids are found on the "stairstep" line.
a)
chemical bonding by transfer of electrons
b)
Nonliving
c)
80%
d)
True
97.
What group has a full outer energy level?
a)
Direction
b)
They were left for undiscovered elementsRXWA
c)
slightly larger than a proton
d)
Noble gases
98.
Fill in the blank: Polymers are any _________ of small, similar _____________ that can _______ into a chain.
a)
Group
b)
1 magnesium and 4 hydroxides (2 hydrogens and 2 oxygen combined)
c)
chemical bonding by transfer of electrons
d)
A group
99.
Molecules
a)
A pure substance consisting of atoms of 2/more different elements that are chemically combined
b)
"Planetary model" of electron energy levels
c)
slightly larger than a proton
d)
Molecules
100.
Link
a)
Vary
b)
Link
c)
Ionic
d)
Nonmetals and metals
101.
Fill in the blank: In the ___________ _______, the properties of the elements ______ with their atomic number in a regular, repeated __________.
a)
Akali metals
b)
The chemistry of life
c)
7
d)
Periodic Law
102.
Vary
a)
False; By the TRANSFER of electrons
b)
Nonmetals and metals
c)
Electrons
d)
Vary
103.
Pattern
a)
chemical bonding by transfer of electrons
b)
Between metals and nonmetals
c)
long chains of monomers
d)
Pattern
104.
Ionic bonding happens to only what 2 element types?
a)
Structures
b)
False; Switch matter and mass
c)
Nonmetals and metals
d)
John Dalton
105.
True/False (if false put the correct answer): Mass is the smallest particle of an element that returns the properties of that element.
a)
Direction
b)
The properties of the elements vary with their atomic number in a regular, repeated pattern
c)
Physics and Chemistry
d)
False; an atom is the smallest particle.....
106.
What group are the noble gases in?
a)
Chemically
b)
The arrangement of valence electrons
c)
18
d)
Structures
107.
What is a row or series on the periodic table?
a)
Electron
b)
Weight
c)
outside the nucleus
d)
A period
108.
True/False (if false put correct answer): On the 1st periodic table no blanks were left.
a)
7
b)
False; there were blanks
c)
Proportions
d)
Family
109.
What is the electron dot notation?
a)
Atoms are mostly open space
b)
7
c)
Metal
d)
The arrangement of valence electrons
110.
What is mass?
a)
The amount of matter in an object
b)
Kelvin
c)
the smallest particle of an element that returns the properties of that element
d)
1 magnesium and 4 hydroxides (2 hydrogens and 2 oxygen combined)
111.
True/False (if false put correct answer): Ionic bonding is chemical bonding by the sharing of electrons.
a)
False; By the TRANSFER of electrons
b)
Anything that occupies space and has mass
c)
Plum
d)
Direction
112.
What does valence mean?
a)
The arrangement of valence electrons
b)
outermost shell
c)
Dmitri Mendeleev
d)
Proportions
113.
What did Niels Bohr believe?
a)
Chemically
b)
The arrangement of valence electrons
c)
Vary
d)
Atoms are mostly open space
114.
Which is variable, mass or weight?
a)
Nonmetals and metals
b)
Weight
c)
Nonliving
d)
Physics and Chemistry
115.
True/False (if false put correct answer): Weight is the measure of gravity acting on the matter in an object.
a)
Properties
b)
long chains of monomers
c)
True
d)
Dmitri Mendeleev
116.
How many valence electrons do akali metals have?
a)
1
b)
Particles
c)
The chemistry of life
d)
Chemically
117.
How many carbons does propane have?
a)
3 carbons
b)
Link
c)
Metalloids
d)
Density
118.
What is density?
a)
The mass of matter contained within a particular volume
b)
Sharing
c)
7
d)
The properties of the elements vary with their atomic number in a regular, repeated pattern
119.
What percentage of the elements on the periodic table are metals?
a)
They were left for undiscovered elementsRXWA
b)
80%
c)
Gram
d)
Second
120.
Does a group or period have the same number of valence electrons?
a)
Meter (length), Kilogram (mass), Second (time), Kelvin (temperature), Mole (amount of substance), Candela (luminous intensity), and Ampere (electric current)
b)
A group
c)
Orbitals
d)
the smallest particle of an element that returns the properties of that element
121.
Fill in the blank: An ___________ is a pure substance consisting of atoms of 2/more ________________ elements that are _______________ combined.
a)
Compound
b)
2 carbons
c)
A group
d)
Metalloids
122.
Different
a)
True
b)
inside the nucleus
c)
Substances
d)
Different
123.
Chemically
a)
Phenomenon
b)
Chemically
c)
Chemical bonding by sharing electrons
d)
Chemical bonding by positive ions of a metal in a sea of shared electrons
124.
What is convalent bonding?
a)
Density
b)
Chemical bonding by sharing electrons
c)
Formula
d)
Neutral
125.
Fill in the blank: Dmitri Mendeleev arranged the _______________ according to atomic _______ and used the arrangement to predict the properties of missing ___________?
a)
8 carbons
b)
Halogen
c)
Kelvin
d)
Elements
126.
Mass
a)
Nonmetals and metals
b)
False; it's an organic compound
c)
Mass
d)
Substances
127.
Elements
a)
negative
b)
Elements
c)
A pure substance consisting of atoms of 2/more different elements that are chemically combined
d)
Table
128.
Where are nonmetals found on the periodic table?
a)
3 carbons
b)
right side
c)
Mole
d)
Covalent
129.
What is the particle theory of matter?
a)
Physics and Chemistry
b)
All matter is made of tiny particles in constant motion in random directions
c)
False; they're pure substances
d)
Subdivisions of energy levels
130.
Who believed that atoms are indivisible particles?
a)
Democritus
b)
False; example, H2O
c)
a workable explanation or description of a phenomenon
d)
False; an atom is the smallest particle.....
131.
What are the 3 types of ionic bonding?
a)
3 carbons
b)
Covalent
c)
Be fruitful, multiply, and subdue the earth; be wise stewards
d)
Anything that occupies space and has mass
132.
Ionic
a)
Ionic
b)
Electronic equipment
c)
All matter is made of tiny particles in constant motion in random directions
d)
Link
133.
Metallic
a)
3 carbons
b)
The properties of the elements vary with their atomic number in a regular, repeated pattern
c)
Elements
d)
Metallic
134.
What is ionic bonding?
a)
chemical bonding by transfer of electrons
b)
8 carbons
c)
Energy
d)
Dmitri Mendeleev
135.
Where are mettaloids found on the periodic table?
a)
Substances
b)
Between metals and nonmetals
c)
Compounds that have the same molecular formula but different structures.
d)
The Law of Definite Proportions
136.
What is known as a group or column?
a)
Level
b)
chemical bonding by transfer of electrons
c)
Family
d)
False; there were blanks
137.
Fill in the blank: ____________ contain the elements hydrogen and carbon.
a)
Mole
b)
Hydrocarbons
c)
The amount of matter in an object
d)
Physics and Chemistry
138.
What is the mass of a neutron?
a)
Chemical bonding by positive ions of a metal in a sea of shared electrons
b)
Electronic equipment
c)
slightly larger than a proton
d)
False; it's The law of definite proportion....
139.
What are metalloids important in?
a)
Vary
b)
John Dalton
c)
Monomers
d)
Electronic equipment
140.
What was the 1st modern atomic model based on?
a)
a workable explanation or description of a phenomenon
b)
Kelvin
c)
An organic compound
d)
The Law of Definite Proportions
141.
Who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?
a)
right side
b)
Meter (length), Kilogram (mass), Second (time), Kelvin (temperature), Mole (amount of substance), Candela (luminous intensity), and Ampere (electric current)
c)
Dmitri Mendeleev
d)
Positive
142.
Who created the gold foil experiment?
a)
Ernest Rutherford
b)
A pure substance that consistis of the smae kind of atoms throughout
c)
Proportions
d)
Nonliving
143.
Fill in the blank: Biochemistry is the chemistry of ______.
a)
a workable explanation or description of a phenomenon
b)
Orbitals
c)
Covalent bonding
d)
Life
144.
What is the Periodic Law?
a)
2 carbons
b)
The properties of the elements vary with their atomic number in a regular, repeated pattern
c)
Hydrocarbons
d)
17
145.
Where is the proton located?
a)
Metallic
b)
inside the nucleus
c)
7
d)
Monomers
146.
What are found in the quantum mechanics model?
a)
Orbitals
b)
False; they're pure substances
c)
inside the nucleus
d)
False; it's The law of definite proportion....
147.
True/False (if false put correct answer): An isomer is any covalently bonded compound containing carbon.
a)
The masses and chemical substances combine in definite, characteristics integer ratios when forming compounds
b)
Motion
c)
Theory
d)
False; it's an organic compound
148.
How many valence electrons do noble gases have?
a)
False; it's an organic compound
b)
False; it's The law of definite proportion....
c)
8
d)
The properties of the elements vary with their atomic number in a regular, repeated pattern
149.
Who made the first modern periodic model?
a)
The Law of Definite Proportions
b)
Hydrocarbons
c)
Dmitri Mendeleev
d)
Plum
150.
What is an isomer?
a)
Compounds that have the same molecular formula but different structures.
b)
1 copper and 1 sulfur and 4 oxygen
c)
Alkali metals
d)
2 hydrogen and 1 oxygen
151.
What is a period?
a)
Gold foils with particles passing through it
b)
A pure substance consisting of atoms of 2/more different elements that are chemically combined
c)
Weight
d)
A row on the periodic table
152.
True/False (if false put correct answer): In the Periodic Law the properties of the elements vary with their atomic symbol in a regular, repeated pattern.
a)
Different
b)
Candela
c)
Meter (length), Kilogram (mass), Second (time), Kelvin (temperature), Mole (amount of substance), Candela (luminous intensity), and Ampere (electric current)
d)
False; atomic MASS
153.
How many of what kind of atoms are in CuSO4
a)
the smallest particle of an element that returns the properties of that element
b)
1 copper and 1 sulfur and 4 oxygen
c)
"Planetary model" of electron energy levels
d)
Chemical
154.
How many valence electrons do halogens have?
a)
7
b)
Weight
c)
Chemical bonding by positive ions of a metal in a sea of shared electrons
d)
A period
155.
Fill in blank: An example of an ________ bonding is ________ salt.
a)
Ionic
b)
1 magnesium and 4 hydroxides (2 hydrogens and 2 oxygen combined)
c)
Meter
d)
Density
156.
Table
a)
Gram
b)
Periodic Law
c)
The Law of Definite Proportions
d)
Table
157.
How many carbons does octane have?
a)
They were left for undiscovered elementsRXWA
b)
long chains of monomers
c)
8 carbons
d)
80%
158.
What is any group or small, similar molecules that can link into a chain?
a)
A row on the periodic table
b)
A period
c)
Life
d)
Monomers
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