Compounds, formula and equations

Question 1

What is the formula of iron three

Answer 1

Fe3+

Question 2

what is the formula of aluminium (ion)?

Answer 2

Al3+

Question 3

what is the formula of iron II??

Answer 3

Fe2+

Question 4

what is the formula of silver (ion)?

Answer 4

Ag+

Question 5

what is the formula of zinc (ion)?

Answer 5

Zn2+

Question 6

What is the formula of sulphide?

Answer 6

S2-

Question 7

what is the formula of chloride, fluoride and iodide?

Answer 7

Cl-, F-, I-

Question 8

what is the formula of nitride?

Answer 8

N3-

Question 9

What is the formula of oxide?

Answer 9

o2-

Question 10

What is the formula of ammonium?

Answer 10

NH4+

Question 11

what is the formula for ammonia?

Answer 11

NH3

Question 12

what is the formula for nitrate?

Answer 12

NO3-

Question 13

What is the formula for carbonate?

Answer 13

CO3 2-

Question 14

what is the formula for sulphate?

Answer 14

SO4 2-

Question 15

what is the formula for nitrite(nitrate 3)

Answer 15

NO2-

Question 16

what is the formula for hydrocarbonate?

Answer 16

HCO3-

Question 17

what is the formula of a manganate (VII)

Answer 17

MnO4-

Question 18

what is the formula for sulfite (sulfate (IV)

Answer 18

SO3 2-

Question 19

What is the formula for dichromate?

Answer 19

Cr2 O7 2-

Question 20

what is the mneumonic to remember diatomic elements?

Answer 20

have no fear of ice cold beer

Question 21

What does decomposition mean?

Answer 21

Breaking down

Question 22

what is the state of most ionic substances formed in water?

Answer 22

Aqueous

Question 23

What are the states of the most acids?

Answer 23

Aqueous

Question 24

What is the formula of sulphuric acid?

Answer 24

H2SO4

Question 25

What is the formula of nitric acid?

Answer 25

HNO3

Question 26

what is the formula of phosphoric acid

Answer 26

H3PO4

Question 27

what do ionic equations only show?

Answer 27

that ions that are reacting and leave out spectator ions

Question 28

what a spectator ions?

Answer 28

ions that are not changing state and not changing oxidation number

Question 29

What are the steps of writing ionic equations?

Answer 29

-take full equation -Separate aqueous into ions -Cancel out spectator ions, leaving the ionic equation