Atomic Structure
Subatomic Particles
The Periodic Table
Chemical Changes
Riddles
General Knowledge
100

What is the centre of an atom called?

Nucleus

100

Particle with a positive charge?

Proton

100

What does the atomic number tell us?

Protons

100

What is a change that makes a new substance?

Chemical

100

What has hands but cannot clap?

A clock.

100

What is the capital of Australia?

Canberra

200

What particles orbit the nucleus?

Electrons

200

Particle with no charge?

Neutron

200

How many electrons in the 1st shell?

2

200

Starting substances in a chemical reaction?

Reactants

200

What gets wetter the more it dries?

A towel

200

What do plants need to make food?

Sunlight

300

What is the overall charge of an atom?

Neutral

300

Particle with a negative charge?

Electron

300

What group are noble gases in?

18

300

New substances made in a reaction?

Products

300

I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?

An Echo

300

How many sides does a hexagon have?

Six

400

What are the electrons in the outer most shell called?

Valence Electrons

400

Where are protons and neutrons located?

Nucleus

400

Which side are metals found on?

Left

400

Sign of a chemical reaction involving bubbles?

Gas produced

400

I have cities but no houses, forests but no trees, and rivers but no water. What am I?

A map.

400

Who wrote Harry Potter?

J.K. Rowling

500

What model shows electrons in shells?

Bohr Model

500

Which subatomic particle has the least mass?

Electron

500

How many valence electrons in Group 1?

1

500

What happens to atoms during a reaction?

Rearranged

500

You see a boat filled with people. It has not sunk, but when you look again you don't see a single person on the boat. Why?

Because all the people on the boat were married (there wasn't a single person aboard).

500

What’s the largest planet in our solar system?

Jupiter