WorksheetsPerformance Matter-Atoms, Periodic Table and Matter
Total questions: 52
Worksheet time: 52mins
The Atomic Model Timeline is missing some labels. What would be the subatomic particle(s) found inside the section labeled "A"? (Select 2)
Electron
Neutron
Proton
A student examines a periodic table. Which two inferences about sodium (Na) are true?
Sodium (Na) is a nonmetal, while aluminum (Al) is a metalloid.
Sodium (Na) has the least protons of any element in its period.
Sodium (Na) has 11 protons.
Sodium (Na) has a larger atomic number than magnesium (Mg).
Which two properties can be classified as physical properties of matter?
Boiling point
Solubility
Acidity
Reactivity
Horizontal rows in the periodic table are called -
periods
families
columns
groups
Using the diagram, what is the atomic mass of neon?
30
20
10
15
The basic building block of all matter is -
a mixture
a compound
an atom
an element
Which part of an atom carries a negative charge and is found outside the nucleus?
Electron
Proton
Neutron
Positron
Using the diagram, how many neutrons would an atom of sulfur contain?
32
48
16
0
Anything that has mass and takes up space is -
a compound
matter
chemistry
a chemical
Which phase of matter has no definite volume and occupies all the space available to it?
Liquid
Gas
Solid
Plasma
Where is most of the mass of an atom located?
In the electron
Electron cloud
In the nucleus
Evenly spread throughout the atom
The two elements, hydrogen and oxygen, bond together to form a -
mixture
compound
new element
nucleus
What are the outermost electrons called?
orbital electrons
cloud electrons
valence electrons
far electrons
Using the diagram, how many protons would an atom of iron have?
56
26
29
30
Which statement can be correctly attributed to Dalton's atomic theory?
All atoms of the same element are different.
All atoms of the same element are the same.
All atoms of the same element are reacted.
All elements of the same element are combined.
A student has made a model of an atom with the following particles: 3 electrons, 3 protons, and 3 neutrons. Using the Periodic table, based on the parts of the atom, what is the symbol of the element?
Li - Lithium
B- Boron
Na - Sodium
He - Helium
Group 1 elements such as lithium (Li) would be classified as --
metals with one valence electron
metals with two valence electrons
non-metals with six valence electrons
non-metals with seven valence electrons
What type of charge does a neutron have?
negative
positive
neutral
static
Which group of elements would be considered too unreactive because the valence electron shell is full?
Group 1
Group 2
Group 17
Group 18
Which example is an element?
H2O
CO2
Co
OH
A substance that can NOT be broken down into any other substance chemically or physically is -
a solution
an element
a compound
a mixture
When the temperature of a solid increases, which state of matter could the solid transition into?
Acid
Solid
Liquid
Plasma
What is the atomic number of Oxygen (O)?
2
8
16
Not listed on this table
Which one of the following would be considered the most accurate model of the atom?
Bohr Model
Electron Cloud Model
Plum Pudding Model
They are equally accurate
The periodic table is arranged -
by the atomic number
by the number of neutrons
by symbols
in alphabetical order
How many neutrons does an atom of bromine contain?
45
35
43
80
Covalent bonds -
involve the transfer of electrons between ions
are characterized by the sharing of electrons between atoms
cause electrons and their charges to become unsteady
involve only atoms which have no electrons in their outer shell
Which group of elements are shiny and are good conductors of both heat and electricity?
Radioactives
Metalloids
Metals
Nonmetals
The atomic mass of an element equals the number of -
protons + neutrons
electrons
protons
protons + electrons
What is referred to as the amount of matter in an object?
Density
Mass
Volume
Weight
The transfer of electrons between atoms results in -
an ionic bond
a hydrogen bond
a metallic bond
a covalent bond
How many atoms of sulfur are in H2SO4 (sulfuric acid)?
1
2
4
0
When a metal bonds with a nonmetal, which type of bond is created?
Metallic
Ionic
Covalent
Metals never bond with nonmetals
When matter undergoes a change in form, but the chemical make up is NOT changed, it is a -
chemical change
physical change
chemical reaction
nuclear reaction
What is an example of a compound?
Table salt
Salt water
Air
Oxygen
The elements touching the stair-step line are called -
metalloids
alkali metals
alkaline earth metals
transition metals
A student prepared two molecular models as shown. He used identical spheres to represent atoms of the same element and sticks to represent bonds between atoms. Which student's model is incorrect and why?
The model of the mixture is incorrect because a mixture is made of more than two atoms.
The model of the compound is incorrect because a compound is made of two or more atoms of different elements joined by bonds.
The model of the compound is incorrect because the atoms in a compound are not joined chemically.
The model of the mixture is incorrect because atoms in a mixture are joined together by bonds.
What is an example of a chemical change of matter?
Coloring on paper
Cutting paper
Burning paper
Tearing paper
What distinguishes each element from all others, and gives it unique physical and chemical properties?
The number of protons
The element's universal origin
The number of neutrons
The electron configuration
Which of the following will most likely form a covalent bond?
A metal reacts with a nonmetal and their atoms gain electrons.
A nonmetal reacts with a metal and their atoms share electrons.
A metal reacts with a nonmetal and their atoms lose electrons.
A nonmetal reacts with a nonmetal and their atoms share electrons.
How many atoms of hydrogen are in C2H4O2 (acetic acid)?
6
4
2
8
Which example is a compound?
CO
Mg
Cu
N
What is an example of a physical change in matter?
Iron rusting
Fire burning
Water freezing
Cake cooking
Referring to the periodic table, what is true about neon?
Neon will not bond with other elements.
Neon is a very reactive metal.
Neon is a very reactive nonmetal.
Neon has two valence electrons.
Referring to the periodic table, the element calcium should have the most properties in common with -
chlorine (Cl)
gold (Au)
magnesium (Mg)
potassium (K)
What is a physical property of matter?
Basicity
Reactivity
Solubility
Acidity
In the chemical formula for ammonia, NH3, what does the subscript 3 represent?
The number of nitrogen atoms in each molecule of ammonia
The number of nitrogen and hydrogen atoms in each molecule of ammonia
The number of ammonia molecules that will bond together
The number of hydrogen atoms in each molecule of ammonia
The above compound is ammonia which is composed of nitrogen and hydrogen. What is holding the two elements together?
Chemical bonds
Chemical models
Physical connection
Physical formula
Which chemical equation is balanced?
H2 + O2 → H2O
H2 + Cl2 → HCl
H2 + Cl2 → 2HCl
H2 + O2 → 2H2O
What are the three major elements in the Earth's crust?
Iron, aluminum, and silicon
Magnesium, sodium, and potassium
Aluminum, silicon, and oxygen
Potassium, titanium, and hydrogen
The chart shows the top four elements found in the Earth's crust, ocean, living matter, and atmosphere. Which element listed is only found in the Earth's crust?
Carbon
Iron
Hydrogen
Oxygen
The chart features the four most abundant elements found in Earth's crust, ocean, living matter, and atmosphere. What is the only element found in all four features of the Earth?
Hydrogen
Silicon
Oxygen
Carbon
