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irga5000 [103]
3 years ago
10

A better picture of the crossword

Chemistry
2 answers:
puteri [66]3 years ago
5 0
Across

1: Period
5: Proton



Down 

2: Electron
3: Neutron


More later, I've gotta do homework now :)
kkurt [141]3 years ago
3 0
Across
1- Period
4 Chemical Change
5-Proton
10-atom
13- Energy
17 Law of Conservation of Matter
19- Solid
20- Physical Change

Down
2- Electron
3- Neutron
6- Atomic Nucleus
7- Matter
8- Valence Electrons
9- Volume
11- Atomic Mass
12- Atomic Number
14- Groups
15- Gas
16- Liquid
18- Mass
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