C1.2.3 - Chemical Formulae Flashcards Preview

SHHS - Science - C1.2 - Elements, atoms and compounds - Year 7 > C1.2.3 - Chemical Formulae > Flashcards

Flashcards in C1.2.3 - Chemical Formulae Deck (10)
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1

Name the following compound:

CO2

Carbon dioxide

2

What does a chemical formula tell us?

the relative number of atoms of each element in a compound.

3

Name the following compound:

CO

Carbon monoxide

4

Identify the ratio of elements in the following compound:

Al2O3

Aluminium atoms 2: Oxygen atoms 3

5

What does the subscript tell us in a chemical formula? e.g. CO2

How many atoms of the element are present in a compound.

e.g. COcontains 2 oxygen atoms

6

Identify the ratio of elements in the following compound:

H2O

2 Hydrogen atoms: 1 Oxygen atom

7

Identify the ratio of elements in the following compound:

CO2

1 Carbon atom : 2 Oxygen atoms

8

Name the following compound:

Al2O3

Aluminium oxide

Al2O3

9

Name the following compound:

H2O

Water

10

All of the chemical symbols are organised into a table called...

the periodic table