DO NOT WRITE ON THIS TEST

Physical Science Ionic Bonding Review
NEUTRAL
Element
Metal or
Nonmetal?
Number of
Protons?
STABLE
Number of
Electrons?
Number of
Valence
Electrons?
Lose or gain
Electrons?
How many
electrons
lost or gained?
Number of
Protons?
Number of
Electrons?
Oxidation
Number?
1)Cesium
3)Gallium
4)Germanium
5)Oxygen
6)Fluorine
7)Arsenic
8)Xenon
Write the formulas for the following combinations of elements.
___________________
9) Cesium oxide
_________ _______
_____
10) Cesium fluoride
11) Cesium arsenide
13) Strontium fluoride
_______________
14) Strontium phosphide
15) Gallium fluoride
16) Gallium arsenide
_______________
17) Gallium oxide
18) Germanium oxide
19) Silver (I) oxide
20) Zinc (II) selenide
21) Tin(IV) iodide
22) Cobalt (III)chloride
23) Cobalt (III) oxide
12) Strontium oxide
_______________
_______________
___________________
Name __________________________________________________________ Period ________
2)Strontium
Science 9 Practice Test Name ______________________________________
Part A- Fill-in the following chart.
Element
Number of
valence
Electrons?
1. Arsenic
As
2. Bromine
3. Cesium
4. Gallium
5. Selenium
6. Strontium
7
Sulfur
Metal or
Lose or
Nonmetal? gain
Electrons?
How many electrons
are
lost or gained?
Oxidation
number
Br
Cs
Ga
Se
Sr
S
Part B-Write the formulas for the following compounds.
8) Cesium sulfide
___________________________
9) Tin(II) bromide
___________________________
10) Gallium selenide
___________________________
11) Strontium bromide
___________________________
12) Gallium arsenide
___________________________
Part C- Calculate the formula mass for the following compounds. Show your work in the correct format.
13) Al2(SiF6)3
15) 2Al2(SiF6)3
14) (NH4)2S2O3
=
____________
16. You build an atom that has the following components:
5 protonsP
N
7 neutrons
E
5 electrons
Draw a picture of how you would build your atom below:
Circle which element this atom is on this periodic table below:
The mass of this atom is:
a. 5 mass units
b. 7 mass units
c. 10 mass units
d. 11 mass units
e. 12 mass units
Explain what ideas you used to choose an answer:
____________________________________________________
____________________________________________________
The charge of this atom is:
a.
b.
c.
d.
e.
0, this is a neutral atom
-3
-1
+1
+3
17. You start with your atom:
5 protons
7 neutrons
5 electrons
You want to change your atom’s properties.
Mark YES if a change will work, and mark NO if it will not work.
A. If you want to change the type of element your atom is, you can either:
(circle)
Add a proton
Yes or No
or Add a neutron
Yes or No
or Add an electron
Yes or No
B. If you want to change the charge of your atom, you can either:
(circle)
Add a proton
Yes or No
or Add a neutron
Yes or No
or Add an electron
Yes or No
C. If you want to change the mass of your atom by 1 or more mass units, you can either:
(circle)
Add a proton
Yes or No
or Add a neutron
Yes or No
or Add an electron
Yes or No
D. If you add 2 proton and 1 neutron to your atom …
Will the element change? ____ If so, circle the new element?
Will the mass change? _____ If so, what is the new mass of the atom? ________
Will the charge change? ____ If so, what is the new charge of the atom?________