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All About Atoms

Name_________________________________

Period_________________
1
2
3
4
5
6
7
8
9
10
11
12
13
Across
2
Found in the nucleus and has a positive charge
5
Where electrons can be found
7
The chemical symbol for Sodium
8
The very center of an atom
9
3 basic parts of an atom
10
Building block of matter
11
Particle with a negative charge
13
A pure substance that cannot be chemically broken down
Down
1
Represented by the symbol H on the Periodic Table of Elements
2
Has definite and constant composition
3
A state of matter that has a definite shape
4
Greek philosopher who discovered atoms
6
A state of matter that fills every container it is in
7
Subatomic particle without any electrical charge
11
A pure substance made up of only one type of atom
12
Anything that has mass and takes up space