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