Ionic Bonding

Question 1

Define ions

Answer 1

Ions are atoms which have lost or gained electrons to get a full outer shell

Question 2

Group 1 ionic bonding

Answer 2

Lose 1 electron to get a full outer shell

Question 3

Group 2 ionic bonding

Answer 3

Lose 2 electrons to get FOS

Question 4

Group 3 ionic bonding

Answer 4

Lose 3 electrons to get FOS

Question 5

Transition metals ionic bonding

Answer 5

• Either told in the question eg: Iron (IV) oxide
• If question doesn’t say assume 2+
• Unless Ag (silver) always 1+

Question 6

Metal (positive) ions are called…

Answer 6

Cations

Question 7

Group 7 ionic bonding

Answer 7

Gain 1 electron to get FOS

Question 8

Group 6 ionic bonding

Answer 8

Gain 2 electrons to get FOS

Question 9

Group 5 ionic bonding

Answer 9

Gain 3 electrons to get FOS

Question 10

Non metal (negative) ions are called…

Answer 10

Anions

Question 11

Define ionic bonding

Answer 11

The electrostatic attraction between oppositely charged ions

Question 12

What is the formula and charge of hydroxide

Answer 12

OH -1

Question 13

What is the formula and charge of nitrate?

Answer 13

NO3 -1

Question 14

What is the formula and charge of carbonate?

Answer 14

CO3 -2

Question 15

What is the formula and charge of sulphate?

Answer 15

SO4 -2

Question 16

What is the formula and charge of phosphate?

Answer 16

PO4 -3

Question 17

What is the formula and charge of ammonium?

Answer 17

NH4 +1

Question 18

Properties of ionic compounds

Answer 18

• high melting points
• most dissolve in water (aqueous)
• Don’t dissolve in organic solvents, hexane, propanone
• Don’t conduct electricity in solids
• don’t conduct electricity when dissolved in water

Question 19

Stronger ionic bond means

Answer 19

Higher melting point

Question 20

Ions electrical conductivity

Answer 20

Conduct electricity in a liquid (ions can move)

Don’t conduct electricity in a solid (ions can’t move)