WorksheetsAtoms, Periodic Table and Bonding Review
Total questions: 20
Worksheet time: 22mins
Name
Class
Date
1.
Car becoming rusty:
a)
Physical Change
b)
Chemical Change
2.
Chocolate chip cookies are
a)
Element
b)
Compound
c)
Mixture
3.
Protons are located in the nucleus of the atom. A proton has
a)
No charge
b)
A negative charge
c)
A positive and negative charge
d)
A positive charge
4.
In the process of covalent bonding, atoms __________electrons.
a)
Share
b)
Transfer
5.
Salt is
a)
Cube shaped
b)
Triangular
c)
Spherical
d)
None of the above
6.
The electrons on the outermost energy level of an atom are called valence electrons.
a)
True
b)
False
7.
The following is a Bohr diagram for
a)
Argon
b)
Potassium
c)
Neon
d)
Chlorine
8.
Silver (Ag) is
a)
Element
b)
Compound
c)
Mixture
9.
Neutrons are in the nucleus of the atom. A neutron has
a)
A positive charge
b)
No charge
c)
A negative charge
d)
twice as much positive charge as a proton
10.
Burning a dollar bill is
a)
Physical change
b)
Chemical change
11.
In the process of ionic bonding, ions come together because
a)
Opposite charges repel
b)
Positive and negative ions attract
c)
Salt is magnetic
d)
Like charges attract each other
12.
It is possible to have double covalent bond.
a)
True
b)
False
13.
How many valence electrons does Na have?
a)
1
b)
2
c)
3
d)
4
14.
The sticks in this molecule of water represent
a)
Ionic bonds
b)
Covalent bonds
c)
Metallic bonds
d)
None of the above
15.
Salt (NaCl) is a(n)
a)
Element
b)
Compound
c)
Mixture
16.
Melting ice
a)
Physical change
b)
Chemical change
17.
An electron is in a region outside the nucleus. An electron
a)
Is larger than a proton and has no charge
b)
Has less mass than a proton and has a negative charge
c)
Is smaller than a proton and has no charge
d)
Has a positive charge
18.
This molecule of methane is held together by what kind of bonds?
a)
Ionic bonds
b)
Covalent bonds
c)
Metallic bonds
d)
None of the above
19.
Kool Aide is
a)
Element
b)
Compound
c)
Mixture
20.
Cooking an egg
a)
Physical change
b)
Chemical change
100 %
