Unit 1: Foundation Chemistry

Test yourself on AQA AS Unit 1 Chemistry.

What are the nucleons?
Protons and Neutrons
1 of 7
What is the relative mass of an electron?
1/1840
2 of 7
Where are electrons located?
Surrounding the nucleus
3 of 7
The general formulae for the number of electrons in each shell:
2n²
4 of 7
What is the "Atomic number" and what symbol is it represented by?
Z, the number of protons in the nucleus
5 of 7
What is the "Mass number" and what symbol is it represented by?
A, the number of protons and neutrons in the nucleus
6 of 7
What are "Isotopes"?
Atoms with the same number of protons but different numbers of neutrons
7 of 7

Other cards in this set

Card 2

Front

What is the relative mass of an electron?

Back

1/1840

Card 3

Front

Where are electrons located?

Back

Preview of the front of card 3

Card 4

Front

The general formulae for the number of electrons in each shell:

Back

Preview of the front of card 4

Card 5

Front

What is the "Atomic number" and what symbol is it represented by?

Back

Preview of the front of card 5
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