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