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6. What is the centre of the earth called
- Crust
- Inner core
- Mantle
- Outer core
7. Covalent bonding is between
- Plasics
- Two non metals
- Metal and non metal
- Metals
8. During electrolysis the negative ions go to which electrode
- Water
- Negative elecrode
- Positive electrode
- Both electrodes
9. What is the substance called that is being broken down
- Charged particles
- Electrolyte
- Ions
- Proton
10. What is endothermic reactions
- Creates chemicals
- Take in energy from the surroundings
- Makes energy
- Transfer energy to the surroundings
11. The centre part of an atom is called the
- Nucleus
- Neutrons
- Proton
- Electron