Yr 10 Chemistry

Elements

100

O

Oxygen

200

He

Helium

300

C

Carbon

400

Au

Gold

500

Fe

Iron

Compounds

100

HCl

Hydrochloric Acid

200

HNO₃

Nitric Acid

300

H₂SO₄

Sulfuric Acid

400

H₂CO₃

Carbonic Acid

500

CH₃COOH

Acetic Acid

States of Matter

100

O₂

Oxygen gas

200

H₂O 

liquid (water)

300

C

solid (Carbon)

400

FeO

solid (Iron Oxide/Rust)

500

Hg

liquid (Mercury)

Chemical Reactions

100

H + O₂ (goes to) H₂O

What is H + O

Reactants

200

H + O₂ (goes to) H₂O

What is H₂O

Product

300

H + O₂ (goes to) H₂O

What type of reaction is this

Synthesis

400

H₂O (goes to) H + O₂ 

What type of reaction is this?

 Decompostion

500

What type of reaction is it when Reactants & Products 'swap' over?

Displacement

Observations

100

Precipitate

A solid forms

200

What type of formula is 

H₂SO₄

Compound or Acid

300

What type of formula is 

NaOH

Compound, Base/Alkali

400

How many different elements are present: 

H₂O

1 O, 2 H

2 different elements

500

What ratio of elements are there in 

H₂O

2 H : 1 O