272388
Description
Mind Map by luci.crook, updated more than 1 year ago
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Created by luci.crook
over 10 years ago
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C3 - Atoms, Molecules & Compounds
- Atoms
- Really tiny, positively charged nucleus and negatively charged electrons
- Electrons move around the nucleus in layers known as shells
- Electrons move around the nucleus in layers known as shells
- Can form bonds to make molecules or compounds
- It's the electrons involved in making bonds
- If an atom loses one or more electrons it becomes positively charged
- If an atom gains one or more electrons it becomes negatively charged
- If an atom loses one or more electrons it becomes positively charged
- It's the electrons involved in making bonds
- Charged atoms are known as ions
- If a positive ion meets a negative ion, they are attracted to another and join
- This is called an ionic bond
- This is called an ionic bond
- If a positive ion meets a negative ion, they are attracted to another and join
- The other main bond is called a covalent bond
- When non-metal atoms join, they form covalent bonds by sharing pairs of electrons
- Because the bond is a shared pair, no atom loses electrons
- Because the bond is a shared pair, no atom loses electrons
- When non-metal atoms join, they form covalent bonds by sharing pairs of electrons
- Really tiny, positively charged nucleus and negatively charged electrons
- Molecular Formulas
- CH4 means Methane
- It contains 1 Carbon and 4 Hydrogen Atoms
- It contains 1 Carbon and 4 Hydrogen Atoms
- CO2
- Carbon Dioxide
- Carbon Dioxide
- H2
- Hydrogen
- Hydrogen
- H2O
- Water
- Water
- HCl
- Hydrochloric acid
- Hydrochloric acid
- CaCl2
- Calcium Chloride
- Calcium Chloride
- CO
- Carbon Monoxide
- Carbon Monoxide
- MgCl2
- Magnesium Chloride
- Magnesium Chloride
- CaCO3
- Calcium Chloride
- Calcium Chloride
- H2SO4
- Sulfuric acid
- Sulfuric acid
- MgSO4
- Magnesium Sulfate
- Magnesium Sulfate
- CH4 means Methane
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