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WorksheetsAMS South Q4 Review
Total questions: 65
Worksheet time: 51mins
Name
Class
Date
1.
What is the name given to the electrons in the highest occupied energy level of an atom?
a)
cations
b)
anions
c)
orbital electrons
d)
valence electrons
2.
At room temperature, more than half of nonmetal elements are
a)
gases
b)
alloys
c)
liquids
liquids
liquids
d)
solids
3.
Which group contains the most elements?
a)
metalloids
b)
metals
c)
nonmetals
d)
noble gases
4.
If an atom gain electrons, it becomes
a)
positive
b)
negative
c)
same because it's balanced
d)
equal
5.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
6.
How many valence electrons does the element potassium have?
a)
1
b)
2
c)
4
d)
8
7.
Number of Carbons in 2Na₂CO₃
a)
1
b)
2
c)
3
d)
5
8.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
9.
What is an example of an element that doesn't like to bond?
a)
Neon
b)
Oxygen
c)
Hydrogen
d)
Selenium
10.
Which of the follow occurs in an ionic bond?
a)
Like-charged ions attract
b)
2 atoms share electrons
c)
2 atoms share 2 electrons
d)
Oppositely charged ions attract
11.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
12.
Elements on the RIGHT side of the periodic table will most likely form:
a)
Negative ions
b)
Positive ions
c)
Cations
d)
Neutral ions
13.
A chemical bond is:
a)
Made up of electrons
b)
An attractive force that holds atoms together
c)
All of the above
d)
None of the above
14.
If a potassium atom loses one electron, a positive ion results.
a)
TRUE
b)
FALSE
15.
Protons are important for chemical bonding.
a)
TRUE
b)
FALSE
16.
Most atoms have no net charge because they have....
a)
an equal number of charged and non-charged particles
b)
neutrons in their nuclei
c)
an equal number of electrons and protons
d)
an equal number of neutrons and protons
17.
Is Hydrogen considered a metal or a non-metal?
a)
Metal
b)
Non-metal
18.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
19.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
20.
What is a reactant?
a)
The chemical substances that begin the reaction.
b)
What comes from the reaction.
21.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.
22.
What is a product?
a)
What's left of the chemical reaction.
b)
The beginning formulas.
23.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
24.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
25.
The substances at the beginning of a chemical equation are called the ____
a)
product
b)
yield
c)
chemical symbol
d)
reactants
26.
In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
27.
How many Valence Electrons does Argon have?
a)
2
b)
3
c)
8
d)
18
28.
How many valence electrons does Barium (Ba) have?
a)
1
b)
2
c)
5
d)
6
29.
What is a valence electron?
a)
An electron in the outer most occupied energy level of an atom
b)
An electron that has properties similar to a transition metal
c)
Electrons with high reactivity
d)
Noble gases
30.
5CO2
How many molecules are there? How many elements?
How many molecules are there? How many elements?
a)
5 molecules, 2 elements
b)
2 elements, 5 molecules
c)
10 atoms, 5 elements
d)
15 elements, 2 molecules
31.
Name ALL the evidences that show a chemical reaction has occurred.
a)
color, gas, light
b)
light, precipitate, odor,
c)
color, gas, light, temperature, precipitate
d)
temperature, smell, light, conductivity, taste
32.
In a chemical reaction, everything to the rightof the arrow is called ______________.
a)
Products
b)
Yields
c)
Molecules
d)
Reactants
33.
Exothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
34.
Good conductor of heat
a)
Metal
b)
Nonmetal
35.
Which group of elements are the most reactive metals?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
36.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
37.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
38.
An element with five valence electrons is
a)
phosphorus
b)
oxygen
c)
beryllium
d)
rubidium
39.
Which of the following is not a property of metals?
a)
brittle
b)
malleable
c)
lustrous
d)
conductive
40.
Which particle carries a positive charge?
a)
Protons
b)
electrons
c)
atom
d)
neutrons
41.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
42.
Which element has 2 energy shells and 3 valence electrons
a)
Si
b)
B
c)
Li
d)
He
43.
If a material can easily be drawn into the shape of a wire, it is
a)
Ductile
b)
Magnetic
c)
Malleable
d)
Reactive
44.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
45.
Each row in the periodic table is called a
a)
group
b)
period
c)
cluster
d)
unit
46.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
47.
_________ are elements that are good conductors of electric current and heat
a)
noble gasses
b)
metalloids
c)
nonmetals
d)
metals
48.
Elements that are poor conductors of heat and electricity. Many are gasses at room temperature
a)
metals
b)
nonmetals
c)
metalloids
d)
transition metals
49.
Elements with properties that fall between those of metals and nonmetals
a)
transition metals
b)
noble gasses
c)
metalloids
d)
all of the above
50.
An electron that is in the highest occupied energy level of an atom
a)
outer electron
b)
valence electron
c)
isotope
d)
compound
51.
What is the mass number?
a)
the number of protons
b)
the sum of the number of protons and the number of neutrons in the nucleus of an atom
52.
an electron has this charge
a)
positive
b)
negative
c)
neutral
53.
a neutron has this charge
a)
negative
b)
positive
c)
neutral
54.
atoms of the same element with different numbers of neutrons are...
a)
isotopes
b)
quarks
55.
What is an electron dot diagram?
a)
use the element symbol and dots to represent OUTER energy level electrons.
b)
Use the element symbol and dots to represent INNER energy level electrons.
56.
Elements that have properties of both metals and nonmetals are _____
a)
metals
b)
metalloids
c)
nonmetals
57.
unit of measurement for atomic particles is _____________ (amu) which is one-twelfth the mass of of a carbon atom containing six protons and six neutrons.
a)
atomic mass unit
b)
newtons
58.
Fireworks are an example of an
a)
exothermic change
b)
endothermic change
59.
Elements made of basic particles that cannot be broken down further and still be that element are
a)
molecules
b)
compounds
c)
mixtures
d)
atoms
60.
What holds atoms together in a molecule?
a)
gravity
b)
physical bonds
c)
chemical bonds
d)
density
61.
From an element's location in the periodic table, you can predict
a)
its properties
b)
its chemical name
c)
its chemical symbol
d)
when it was discovered
62.
Mg + ___ HCl → MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
63.
Balance this equation:
MgCl2 --> Mg4+ Cl2
MgCl2 --> Mg4+ Cl2
a)
It's already balanced.
b)
4MgCl2 --> Mg4+ 4Cl2
c)
4MgCl2 --> Mg4+ 5Cl2
64.
Is this balanced?...
Al + O2 --> 2Al2O3
Al + O2 --> 2Al2O3
a)
Yes!
b)
NO!
65.
Balance this equation-
__P4 + __O2 --> __P2O3
__P4 + __O2 --> __P2O3
a)
it is already balanced
b)
2, 1, 3
c)
1, 2, 3
d)
1, 3, 2
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