Chemical Formula And Equations :)

Question 1

What does it mean when -ide?

eg Hydride

Answer 1

Answer: H^-

its an anion (- charge) and the charge based on the grp

Question 2

Sulfide?

Answer 2

S^2-

Question 3

Phosphide?

Answer 3

P^3-

Question 4

What happens when the suffic is -ate?
Eg. Nitrate

Answer 4

Answer: NO3-

Oxygen is added. make sure the formula makes sense. Charges are still possible

Question 5

Chlorate

Answer 5

ClO3^-

Question 5

Carbonate

Answer 5

CO3^2-

Question 6

Phosphate

Answer 6

PO4^3-

Question 7

what are the exceptions for anions?

Answer 7

Peroxide
Superoxide
Dichromate (VI)
Manganate(VII)

Question 8

Peroxide

Answer 8

O2^2-

Question 9

Superoxide

Answer 9

O2^-

Question 10

Dichromate (VI)

Answer 10

Cr2O7^2-

Question 11

Manganate(VII)

Answer 11

MnO4^-

Question 12

Name the 4 common cations

Answer 12

Ammonium
Zinc
Gold
Silver

Question 13

Zinc

Answer 13

Zn^2+

Question 14

Ammonium

Answer 14

NH4^+

Question 15

Gold

Answer 15

Ag+

Question 16

Name the 5 common acids

Answer 16

Hydrochloric acid
carboNic acid
nitric acid
sulfuric acid
phosphuric acid

Question 16

Silver

Answer 16

Ag+

Question 17

hydrochloric acid

Answer 17

HCl

Question 18

nitric acid

Answer 18

HNO3

Question 18

carbonic acid

Answer 18

H2CO3

Question 19

Sulfuric acid

Answer 19

H2SO4

Question 19

Phosphoric acid

Answer 19

H3PO4

Question 19

brackets questions!
1. ammonium sulfate
2. Calcium Phosphate
3. Iron(III) Hydroxide
4. Aluminum Sulfate

Answer 19

(NH₄)₂SO₄
Ca₃(PO₄)₂
Fe(OH)₃
Al₂(SO₄)₃

Question 20

Carbonate + acid ->

Answer 20

Salt + H2O + CO2

Question 20

Ammonium and Ammonia?

Answer 20

Ammonium - NH₄⁺
Ammonia - NH₃

Question 21

Reactive metal + acid ->

Answer 21

Salt +H2

Question 22

Base + Acid ->

Answer 22

Salt + H2O

Question 23

Salt + Ammonium Compounds ->

Answer 23

Salt + H2O + NH3

Question 23

What do you do when acids in chemical reaction?

Ca + HCl?

Answer 23

CaCl

Replcae H+ ion in the acid with cations