Year 10 Chemistry Review

Name:

Date:

🧪 Part 1: Multiple Choice

1. Which subatomic particle has a positive charge?

Electron

Proton

Neutron

Ion

2. Elements in the same group of the periodic table have the same number of:

Protons

Neutrons

Valence electrons

Energy levels

3. Which type of bond forms between a metal and a non-metal?

Covalent bond

Ionic bond

Metallic bond

Hydrogen bond

4. What is the pH of a neutral solution at 25°C?

✏️ Part 2: Short Answer Questions

5. Complete the following atomic notation for carbon-14: ¹⁴C

Number of protons: _______ Number of neutrons: _______ Number of electrons: _______

6. Balance the following chemical equation:

_____ Mg + _____ O₂ → _____ MgO

7. Name the following ionic compounds:

a) NaCl: _________________________

b) CaCO₃: _________________________

c) Fe₂O₃: _________________________

8. Explain the difference between an acid and a base in terms of hydrogen ions (H⁺).

9. Draw the electron shell diagram for sodium (Na, atomic number 11).

10. Describe what happens during a chemical reaction in terms of bonds breaking and forming. Give one example.

Year 10 Chemistry Review

Year 10 Chemistry Review

🧪 Part 1: Multiple Choice

✏️ Part 2: Short Answer Questions

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