Chemistry GCSE

Covering atoms, alkali metals and halogens

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  • Created by: Hannah
  • Created on: 10-04-11 16:42
Atoms of different elements have...
Different numbers of protons
1 of 13
What is the charge of an atom?
An atom has no overall charge
2 of 13
What does the atomic number represent?
The number of protons in an atom
3 of 13
What does the relative atomic mass number represent?
The number of particles in an atom's nucleus
4 of 13
What is the maximum number of electrons that occupy the first four energy levels in the first 20 elements?
2,8,8,2
5 of 13
What do group numbers (on a periodic table) represent?
The number of electrons that occupy the outermost energy level
6 of 13
Define 'intermolecular forces'
Forces between different molecules
7 of 13
What is the name given to elements in Group 7?
Halogens
8 of 13
What is a 'mixture'?
Substance that contains two or more elements or compounds that are not chemically combined
9 of 13
What are compounds?
Substances where two or more elements are chemically combined
10 of 13
Covalent bonds form when....
Atoms share electrons
11 of 13
What is the name given to elements in Group 1?
Alkali Metals
12 of 13
What are atoms?
The structure of an element
13 of 13

Other cards in this set

Card 2

Front

What is the charge of an atom?

Back

An atom has no overall charge

Card 3

Front

What does the atomic number represent?

Back

Preview of the front of card 3

Card 4

Front

What does the relative atomic mass number represent?

Back

Preview of the front of card 4

Card 5

Front

What is the maximum number of electrons that occupy the first four energy levels in the first 20 elements?

Back

Preview of the front of card 5
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Comments

Zajchik.123

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Question 11 needs fixing

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