Chemistry Review Questions
1.
Use the following terms to fill in the table: chemical property, chemical change, physical property, physical change
Term
2.
Definition
Characteristic behaviour that occurs when a substance turns into something new
Characteristic or description of a substance that does not involve forming a new substance
Difficult to reverse and produces a new substance
Does not produce a new substance, but may alter its physical properties
Complete the following table
Subatomic Particle
Electron
Proton
Neutron
3.
Charge
Location
Complete the following table
Element name
Atomic
Number
6
Carbon
Atomic
Mass
# of protons
35
17
Lead
# of
electrons
6
# of
neutrons
82
125
Group #
4.
What is the name of a positive ion?
5.
Metals (gain/lose) _________________electrons, and non-metals (gain/lose) _________ electrons.
6.
Complete the table
Na
Na+
What is the name of a negative ion?
S
S2-
F
F-
Name
# of protons
# of electrons
# of neutrons
7.
How many valence electrons does each atom have? Barium_____________ Oxygen ___________
Mg+
Period #
8.
Complete the Bohr Rutherford diagram for each atom below:
Carbon
9.
Complete the following table
Group
1 Alkali Metals
2 Alkaline Earth Metals
17 Halogens
18 Noble Gases
Hydrogen
# of valence electrons (electrons in the outer shell)
Chlorine