Worksheets1st nine weeks review
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
2.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
3.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
4.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
5.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
6.
What charge does an atom have when it GAINS electrons?
a)
Positive
b)
Negative
c)
Neutral
7.
What two particles determine the mass number?
a)
Protons and electrons
b)
Electrons and neutrons
c)
Protons and neutrons
8.
When an atom loses an electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
9.
Metals tend to
a)
gain electrons
b)
lose electrons
10.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
11.
When an ionic compound is formed, its charge is
a)
negative
b)
neutral (no charge)
c)
positive
12.
When a metal loses electrons, it becomes this type of ion.
a)
anion
b)
cation
13.
When a nonmetal gains electrons, it becomes this type of ion.
a)
Anion
b)
Cation
14.
These molecules represent which state of matter?
a)
Solid
b)
Liquid
c)
Gas
15.
What phase change is happening between point B and C?
a)
Condensating
b)
Melting
c)
Evaporating
16.
Arnold placed a hot pan on the counter. The pan is transferring heat to the counter by the process of _______.
a)
Radiation
b)
Convection
c)
Conduction
17.
The transfer of thermal energy from one object to another is known as ______.
a)
Kinetic Energy
b)
Heat
c)
Potential Energy
18.
These molecules represent which state of matter?
a)
Solid
b)
Liquid
c)
Gas
19.
What are the melting and boiling points of water?
a)
-10C and 110C
b)
0C and 110C
c)
10C and 100C
d)
0C and 100C
20.
What phase change would be presented by letter A?
a)
Melting
b)
Freezing
c)
Evaporating
d)
Condensing
100 %
