Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
SGO Review
Test Description: SGO Review
Instructions: Answer all questions to get your test result.
1) Which of the following has 5 valence electrons
A
O
B
P
C
B
D
V
2) How many moles are in 45.0 grams of Argon
A
.89 moles
B
40 moles
C
1.125 moles
D
1800 moles
3) Neon-22 contains 12 neutrons. It has how many protons?
A
10 protons
B
12 protons
C
22 protons
D
11 protons
4) Which substance can be broken down by chemical means?
A
Calcium
B
Sulfur
C
Lithium
D
Lithium Bromide
5) What is the charge of Calcium ion in Ca
A
-2
B
+2
C
+1
D
+3
6) What is the molar mass of CoBr3
A
299 g/mol
B
250
C
139
D
80
7) An atom is electrically neutral because
A
nuclear forces stabilize the charges.
B
the numbers of protons and neutrons are equal.
C
neutrons balance the protons and electrons.
D
the numbers of protons and electrons are equal.
8) Which of the following ordered pairs of elements shows an increase in atomic number but a decrease in average atomic mass?
A
Ge to Sn
B
Ag to Pd
C
Co to Ni
D
Cr to Mo
9) Consider the element with the electron configuration Kr 5s24d7. This element is a/an ____.
A
Halogen
B
Alkali Metal
C
Nobel Gas
D
Transition Metal
10) What is the percentage composition by mass of ammonium sulfide, (NH4)2S?
A
N: 29.8%, H: 2.15%, S: 68.1%
B
N: 41.1%, H: 11.8%, S: 47.1%
C
N: 28.02%, H: 8.08%, S: 32.06%
D
N: 14.01%, H: 1.01%, S: 32.06%
11) What is the formula for Calcium chromate?
A
Ca(CrO4)2
B
Ca2(CrO4)2
C
Ca(CrO4)4
D
CaCrO4
12) During a flame test, ions of a specific metal are heated in the flame of a gas burner. A characteristic color of light is emitted by these ions in the flame when the electrons ____.
A
gain energy as they return to higher energy levels
B
gain energy as they return to lower energy levels
C
emit energy as they return to higher energy levels
D
emit energy as they return to lower energy levels
13) What coefficients correctly balance the formula equation, C3H8 + O2 → CO2 + H2O?
A
1,5,3,4
B
1,3,4,5
C
2,10,8,6
D
1,5,4,3
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?