MindMap
- Created by: Rachel
- Created on: 08-04-13 17:49
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- Atomic Structure
- An atom is composed of Protons,Neutrons and Electrons
- 2 shells means 2 periods are in use 2 electrons means it is in Group 2
- An atom is composed of Protons,Neutrons and Electrons
- Atomic number is the number of protons in an atom
- Atomic Structure
- 2 shells means 2 periods are in use 2 electrons means it is in Group 2
- Atomic Structure
- Mass number is the total number of protons and neutrons
- Chlorine 35 Protons: 17 Neutrons:18
- Chlorine 37 Protons:17 Neutrons:20
- The relative atomic mass of an element is the average mass of one atom
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