3921715
Description
Mind Map by Tobster200, updated more than 1 year ago
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Created by Tobster200
about 9 years ago
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Chemistry C1
- Atoms and elements
- Nucleus
- Protons and electrons
- Protons are
Positively charged
- Neutrons have
no charge (they
are neutral)
- Protons are
Positively charged
- Protons and electrons
- Electrons
- Are negatively charged
- Are negatively charged
- Number of protons is the same as
number of electrons
- Nucleus
- Electron shells
- 1st shell
- 2
- 2
- 2nd shell
- 8
- 8
- 3rd shell
- 8
- 8
- Atoms with a full
outer shell are not
reactive
- The noble gases in group 0
have full outer shells and are
therefore not reactive
- 1st shell
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