WorksheetsChemistry Review
Total questions: 30
Worksheet time: 14mins
Name
Class
Date
1.
Aluminum has _ valence electrons.
a)
7
b)
1
c)
6
d)
3
2.
In an experiment the numerical data is known as
a)
quantitive data
b)
qualitative data
3.
The information in an experiment that describes color, odor, or shape is known as
a)
quantitative data
b)
qualitative data
4.
In this state of matter, the molecules fill the entire volume of a container
a)
gas
b)
liquid
c)
solid
5.
Which of the following can be classified as homogeneous?
a)
vinegar
b)
fruit cake
c)
chocolate chip cookie
d)
tossed salad
6.
Which of the following is a chemical property?
a)
color
b)
tendency to rust
c)
mass
d)
malleability
7.
On the periodic chart, Ge and Sb are
a)
metals
b)
non-metals
c)
metalloids
d)
transition metals
8.
NaCl is which of the following?
a)
a covalent compound
b)
a product of combustion
c)
an ionic compound
d)
a polyatomic ion
9.
Elements in the same family
a)
have the same number of energy levels
b)
have the same number of valence electrons
c)
have identical electronegativity
d)
have the same atomic radii
10.
Atoms and Molecules are the "building blocks" of what?
a)
the universe
b)
Earth
c)
Life
d)
Matter
11.
The _____ is one kind of particle that makes up the atom and carries a positive charge.
a)
Proton
b)
Electron
c)
Neutron
12.
British Physicist Joseph John Thomson was the first to identify the
a)
proton
b)
electron
c)
neutron
13.
A bond between atoms in which electrons are lost or gained
a)
Ionic Bond
b)
Metallic Bond
c)
Covalent bond
14.
Substances that change in a chemical reaction
a)
constant
b)
reactants
c)
products
d)
yields
15.
Substances made up of two or more elements that cannot be seperated by physical means
a)
element
b)
Heterogenous Mixture
c)
Homogenous Mixture
d)
compound
16.
_______ _________ may be lost or gained by an atom when bonding occurs with another atom.
a)
Protons
b)
Valence Electrons
c)
Neutrons
d)
Energy Levels
17.
The law of conservation of _____ states that the total mass of the products is equal to the total mass of the reactants
a)
Chemical Equations
b)
Matter
c)
Atoms
18.
The change of state that occurs when a gas changes to a liquid
a)
Sublimation
b)
Evaporation
c)
Condensation
d)
Fusion
19.
Atoms of a particular element that have different numbers of neutrons are called:
a)
Molecules
b)
Compunds
c)
ions
d)
Isotopes
20.
Rutherford discovered that _______ is made up of mostly empty space.
a)
ion
b)
electron
c)
atom
d)
ice cube
21.
when an atom gains or loses an electron, it has an electrical charge. It is known as:
a)
isotope
b)
atom
c)
proton
d)
ion
22.
Anything that has mass and takes up space
a)
ion
b)
isotope
c)
atom
d)
matter
23.
A metric ruler, graduated cylinder, and beaker are all tools that can be used to find _______.
a)
volume
b)
mass
c)
density
d)
viscosity
24.
Which part of the atom is positively charged and is found in the nucleus?
a)
proton
b)
electron
c)
neutron
d)
neutrino
25.
An atom has 12 protons, 12 electrons and 14 neutrons. What is the mass number?
a)
12
b)
24
c)
26
d)
38
26.
What state of matter has a definite shape and a definite volume?
a)
solid
b)
liquid
c)
gas
27.
Which state of matter has a definite volume but no real shape of its own?
a)
solid
b)
liquid
c)
gas
28.
What is the change of state from a solid to a liquid?
a)
boiling
b)
freezing
freezing
freezing
c)
melting
29.
What is the change of state from a liquid to a solid?
a)
freezing
b)
condensation
c)
melting
d)
evaporation
30.
What is vaporization that takes place ONLY on the surface of a liquid?
a)
condensation
b)
evaporization
c)
boiling
d)
sublimation
100 %
