Chemistry GCSE

Elements, Compounds, and Mixtures.

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A molecule with two atoms in it is called a...?
Diatomic Molecule
1 of 7
What is the most common element in the air, by 78%?
Nitrogen
2 of 7
Carbon + oxygen > ..............?
Carbon Dioxide
3 of 7
A compound is a substance that is made of two or more different elements, which are...?
Chemically bounded
4 of 7
What are easyer to separate coumpounds, or mixtures?
Mixtures
5 of 7
How easy is it to separate two original elements out again?
Very difficult
6 of 7
Crude oil is a mixture of....?
different lengh hydrocarbon molecules.
7 of 7

Other cards in this set

Card 2

Front

What is the most common element in the air, by 78%?

Back

Nitrogen

Card 3

Front

Carbon + oxygen > ..............?

Back

Preview of the front of card 3

Card 4

Front

A compound is a substance that is made of two or more different elements, which are...?

Back

Preview of the front of card 4

Card 5

Front

What are easyer to separate coumpounds, or mixtures?

Back

Preview of the front of card 5
View more cards

Comments

Maryam

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thats very brief.

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