Atoms, Elements and Compounds

lmorris537
Mind Map by lmorris537, updated more than 1 year ago
lmorris537
Created by lmorris537 over 6 years ago
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Mind Map on Atoms, Elements and Compounds, created by lmorris537 on 10/29/2013.

Resource summary

Atoms, Elements and Compounds
1 Atoms
1.1 Have a small central nucleus made up of protons and neutrons around the electrons.
1.2 The electrons are involved in chemical reactions
1.3 All substances are made up of atoms
1.4 About 100 different types
1.5 Form chemical bonds by loosing, gaining or sharing a small number of electrons
1.6 Represented by a chemical symbol
1.7 When 2 or more atoms join together a molecule is formed
1.8 Atoms in elements and compounds are held together by taking or sharing electrons
2 Elements
2.1 A substance which contains one type of atom
2.2 Can have very different properties
2.2.1 e.g silver, copper and gold are shiny solids
2.2.2 e.g oxygen, nitrogen and chlorine are gasses
2.3 Are listed in the periodic table
3 Compounds
3.1 Contain 2 or more elements bonded together
3.1.1 e.g hydrogen and oxygen = water
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