Unit One
incomplete
- Created by: ~Hi
- Created on: 11-02-13 16:38
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- Unit One
- fundamental ideas
- Periodic table groups contain elements with similar properties
- Protons and neutrons are in the nucleus while electrons are on the outer shell
- The number of electrons is equal to the number of atoms
- The atomic number= how many protons there are
- Protons + Neutrons = mass number
- The atomic number= how many protons there are
- The number of electrons is equal to the number of atoms
- Covalent bonding is when partcles are shared, while ionic is when particles are given away
- All elements want a full outer shell
- Ionic only happens in metals
- Limestone
- Made of Calcium Carbonate (CaCO3)
- Thermally decomposed to form calcium oxide and CO2
- When Calcium oxide reacts with water it becomes slaked lime; neutralises alkali soil
- Thermally decomposed to form calcium oxide and CO2
- Can never run out
- Damaged by acid rain
- When CO2 is bubbled through limewater it goes cloudy
- heated with clay to make cement
- Made of Calcium Carbonate (CaCO3)
- Metals
- Crude Oil
- Useful Substances from Crude Oil
- Plant Oils
- Earth + Atmosphere
- fundamental ideas
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