Atomic Structure
Subatomic Particles
Elements, Molecules & Compounds
Chemical Changes
General Knowledge
100

What is the centre of an atom called?

Nucleus

100

Particle with a positive charge?

Proton

100

Pure substance made of one atom type?

Element

100

What is a change that makes a new substance?

Chemical

100

What is the capital of Australia?

Canberra

200

What particles orbit the nucleus?

Electrons

200

Particle with no charge?

Neutron

200

Two or more atoms bonded together?

Molecule or Compound

200

Starting substances in a chemical reaction?

Reactants

200

What do plants need to make food?

Sunlight/Carbon Dioxide/Water

300

What is the overall charge of an atom?

Neutral

300

Particle with a negative charge?

Electron

300

Molecule with different types of atoms?

Compound

300

New substances made in a reaction?

Products

300

How many sides does a hexagon have?

Six

400

What determines the element type?

Protons

400

Where are protons and neutrons located?

Nucleus

400

A combination of substances not chemically bonded?

Mixture

400

Sign of a chemical reaction involving bubbles?

Gas produced

400

What actor played Harry Potter?

Daniel Radcliffe

500

What model shows electrons in shells?

Bohr Model

500

Which subatomic particle has the least mass?

Electron

500

Is O₂ an element or compound?

Element

500

What happens to atoms during a reaction?

Rearranged

500

What’s the largest planet in our solar system?

Jupiter

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