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Polyatomic Ions
Test Description: Have you studied your polyatomic ions?
Instructions: Answer all questions to get your test result.
1) The charge on the phosphate ion is
A
-3
B
-2
C
-1
D
+1
2) The subscript on the oxygen in carbonate is
A
3
B
2
C
0
D
1
3) Another formulas for C2H3O2 1- is
A
C6H12O6
B
[CH3OO] -1
C
[CH3COO ]-1
D
[CH2COO] -1
4) Ammonium compared to ammonia
A
Has a charge of negative one
B
is an ion
C
is a metal
D
has one less H
5) Carbonate has a charge of
A
+1
B
-2
C
+2
D
-1
6) Chromate has the same charge as
A
phosphate
B
sulfate
C
nitrate
D
acetate
7) nitrate has the same charge as
A
carbonate
B
chlorate
C
chromate
D
ammonium
8) hydroxide has a charge of
A
negative 1
B
negative 2
C
positive 1
D
positive 2
9) The state of all ionic substances in their natural SATP state is
A
liquid
B
solid
C
gas
D
aqueous
10) persulfate has how many oxygen?
A
5
B
4
C
3
D
2
*select an answer for all questions
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