2.1.2 Compounds, formulae and equations

Question 1

What is a binary compound & how are they named?

Answer 1

A compound which only contains 2 elements

- to name change second element to -ide

Question 2

In an ionic name do metals come first or last?

Answer 2

• first

eg- sodium hydroxide

Question 3

What do you call an ion w/ more than one element bonded together?

Answer 3

• polyatomic ion

Question 4

What is the ionic formula of hydrogen ?

Answer 4

• H(+)

Question 5

What is the ionic formula for sodium?

Answer 5

• Na(+)

Question 6

What is the ionic formula for silver?

Answer 6

• Ag(+)

Question 7

What is the ionic formula for potassium?

Answer 7

• K(+)

Question 8

What is the ionic formula for lithium?

Answer 8

• Li(+)

Question 9

What is the ionic formula of ammonium?

Answer 9

• NH4​(+​)

Question 10

What is the ionic formula for barium?

Answer 10

• Ba(2+)

Question 11

What is the ionic formula for calcium?

Answer 11

• Ca(2+)

Question 12

What is the ionic formula for Cu(II)?

Answer 12

• Cu(2+)

Question 13

What is the ionic formula for magnesium?

Answer 13

• Mg(2+)

Question 14

What is the ionic formula for zinc?

Answer 14

• Zn(2+)

Question 15

What is the ionic formula for lead?

Answer 15

• Pb(2+)

Question 16

What is the ionic formula for iron (II)& iron (III)?

Answer 16

• Fe(2+)

- Fe(3+)

Question 17

What is the ionic formula for aluminium?

Answer 17

• Al(3+)

Question 18

What is the ionic formula for the halogens?

Answer 18

F-, Cl-, Br-, I -

are all 1 minus

Question 19

What is the ionic formula for hydroxide?

Answer 19

• OH(-)

Question 20

What is the ionic formula for nitrate?

Answer 20

• NO3(-)

Question 21

What is the ionic formula for oxide ?

Answer 21

• O(2-)

Question 22

What is the ionic formula for sulfide ?

Answer 22

• S(2-)

Question 23

What is the ionic formula for sufate ?

Answer 23

• SO4(2-)

Question 24

What is the ionic formula for carbonate ?

Answer 24

• CO3(2-)

Question 25

What is the ionic formula for phosphate ?

Answer 25

- PO4(3-)

Question 26

What is the ionic formula for hydrogen carbonate ?

Answer 26

- HCO3(-)

Question 27

What is the chemical formula for ammonia ?

Answer 27

- NH3

Question 28

What is the ionic formula for hydride ?

Answer 28

- H(-)

Question 29

What is the ionic formula for nitrite ?

Answer 29

- NO2(-)

Question 30

What is the chemical formula for hydrochloric acid?

Answer 30

- HCl

Question 31

What is the chemical formula for sulphuric acid?

Answer 31

- H2SO4

Question 32

What is the chemical formula for nitric acid?

Answer 32

-HNO3

Question 33

What is the ionic formula of nitride?

Answer 33

- N(3-)

Question 34

What is the chemical formula for carbonic acid ?

Answer 34

- H2CO3

Question 35

What is the chemical formula for