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