CHEM 30A Exam 2 Review
Authored by Suzu Awano
Chemistry
University
NGSS covered
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these do NOT exist as diatomic elements?
C
Br
N
F
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge for sulfur?
+2
-2
-3
-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does nitrogen have?
3
4
5
6
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge for barium?
+1
+2
+3
-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the prefix for 7?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these molecular geometries are always polar?
bent
linear
trigonal planar
tetrahedral
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of iron in FeO?
+3
+2
-2
-3
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