Chemistry Test 2

Question 1

Ionic Bond

Answer 1

Mutual electrostatic attraction between ions of opposite charges

Question 2

Valency

Answer 2

Number of electrons that must be lost/gained/shared in order for the atom to reach a noble gas configuration

Question 3

Metallic Bond

Answer 3

Mutual electrostatic attraction between positively charged ions in a metal and the “sea of delocalised electrons”

Question 4

Covalent Bond

Answer 4

nonmetals achieve noble gas configuration by sharing valence electrons

Question 5

Ammonium

Answer 5

Positive ion
Charge of ions: +1
Formula: NH4+

Question 6

Fluoride

Answer 6

Anion
Charge of ions :-1
F-

Question 7

Chloride

Answer 7

Anion
Charge of ions :-1
Cl-

Question 8

Bromide

Answer 8

Anion
Charge of ions :-1
Br-

Question 9

Iodide

Answer 9

Anion
Charge of ions :-1
I-

Question 10

Hydroxide

Answer 10

Anion
Ho-
Charge of ions :-1

Question 11

Nitrate

Answer 11

Anion
Charge of ions :-1
NO3-

Question 12

Manganate (VII)

Answer 12

Anion
Charge of ions :-1
MnO4-

Question 13

Oxide

Answer 13

Anion
Charge of ions :-2
O^2-

Question 14

Carbonate

Answer 14

Anion
Charge of ions :-2
CO3^2-

Question 14

Sulfate

Answer 14

Anion
Charge of ions :-2
SO4^2-

Question 14

Phosphate

Answer 14

Anion
Charge of ions :-3
PO4^3-

Question 15

list of common negative ions

Answer 15

fluoride, chloride, bromide, iodide, hydroxide, nitrate, manganate (VII), oxide, carbonate, sulfate, phosphate