Chemistry (Unit 1.1) Writing Formula and Balanced Equations

A level revision

23 cards·by Tigzy

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Write the fromula for potassium oxide.

K2O

Write the formula for barium chloride.

BaCl2

Write the formula for copper sulphate.

CuSO4

Write the formula for iron (III) hydroxide.

Fe(OH)3

Write the formula for sodium carbonate.

Na2CO3

Write the formula for sodium hydrogencarbonate.

NaHCO3

Name the compound CO2.

Carbon Dioxide

Name the compound KNO3

Potassium Nitrate

Name the compound CuCO3.

Copper Carbonate

Name the compound HF.

Hydogen Fluoride

Name the compound MgSO4.

Magnesium Sulfate

Write formula for Ammonium Sulfate.

(NH4)2SO4

Write formula for Sulfur Dioxide.

SO2

Write formula for Calcium Hydrogencarbonate.

Ca(HCO3)2

Write formula for Aluminium Sulfate.

Al2(SO4)3

Soduim thiosulfate has the formula Na2S2O3. Write the fromula of the sodium ion and the thiosulfate ions and include charges.

Na(+) S2O3(2-)

Name the ion O(2-)

Oxide (beause of the O, oxyegn is O2)

Name the ion Al(3+)

Aluminium

Name the ion OH(-)

Hydroxide

Name the ion SO4(2-)

Sulphate

Write balanced equation for: calcium + oxygen = calcium oxide.

2Ca + O2 = 2CaO

Write balanced equation for: potassium hydroxide + sulfuric acid = potassium sulfate + water.

KOH + H2SO4 = K2SO4 + H2O

Write balanced equation for: aluminium + chlorine = aluminium chloride.

2Al + 3Cl2 = 2AlCl3