Molecular Compounds & Polyatomic Ions Quiz

Question 1

What is a molecular element?

Answer 1

Two or more nonmetal atoms that are covalently bonded

Question 2

What is an acronym commonly used to remember all the elements that exist?

Answer 2

H-O-F-Br-I-N-Cl
Hydrogen, Oxygen, Fluorine, Bromine, Iodine, Nitrogen and Chlorine

Question 3

Prefixe for the #1

Answer 3

mono-

Question 4

Prefix for the #2

Answer 4

di-

Question 5

Prefixe for the #3

Answer 5

tri-

Question 6

Prefixe for the #4

Answer 6

tetra-

Question 7

Prefix for the #5

Answer 7

penta-

Question 8

Prefixe for the #6

Answer 8

hexa-

Question 9

Prefixe for the #7

Answer 9

hepta-

Question 10

Prefixe for the #8

Answer 10

octa-

Question 11

Prefixe for the #9

Answer 11

nona-

Question 12

Prefixe for the #10

Answer 12

deca-

Question 13

Chlorine gas

Answer 13

Cl2 (g)

Question 14

Hexaphosphorous monochloride

Answer 14

P6Cl

Question 15

CO4

Answer 15

Carbon tetroxide

Question 16

H2O

Answer 16

Dihydrogen monoxide

Question 17

What is a polyatomic ion made up of?

Answer 17

A polyatomic ion is an ion composed of more than one atom

Question 18

When do you put a polyatomic ion in brackets.

Answer 18

Put the polyatomic ion in brackets if the subscript beside it is greater than 1.
Ex. Mg(OH)2

Question 19

What is the exeception when naming ionic compounds with polyatomic ions?

Answer 19

The exception is ammonium (NH4) which we treat as a metal and write first

Question 20

Minus 1 oxygen ending

Answer 20

~ite - Ex. sulfite

Question 21

Minus 2 oxygen ending

Answer 21

hypo~ … ~ite - Ex. hyposulfite

Question 22

Plus 1 oxygen ending

Answer 22

per~ - Ex. persulfate

Question 23

Polyatomic Ion Paractice
OH-

Answer 23

hydroxide

Question 24

Polyatomic Compound Paractice
NH4Cl

Answer 24

Ammonium Chloride