What is the centre of an atom called?
Nucleus
Particle with a positive charge?
Proton
What does the atomic number tell us?
Protons
What is a change that makes a new substance?
Chemical
What has hands but cannot clap?
A clock.
What is the capital of Australia?
Canberra
What particles orbit the nucleus?
Electrons
Particle with no charge?
Neutron
How many electrons in the 1st shell?
2
Starting substances in a chemical reaction?
Reactants
What gets wetter the more it dries?
A towel
What do plants need to make food?
Sunlight
What is the overall charge of an atom?
Neutral
Particle with a negative charge?
Electron
What group are noble gases in?
18
New substances made in a reaction?
Products
I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?
An Echo
How many sides does a hexagon have?
Six
What are the electrons in the outer most shell called?
Valence Electrons
Where are protons and neutrons located?
Nucleus
Which side are metals found on?
Left
Sign of a chemical reaction involving bubbles?
Gas produced
I have cities but no houses, forests but no trees, and rivers but no water. What am I?
A map.
Who wrote Harry Potter?
J.K. Rowling
What model shows electrons in shells?
Bohr Model
Which subatomic particle has the least mass?
Electron
How many valence electrons in Group 1?
1
What happens to atoms during a reaction?
Rearranged
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).
What’s the largest planet in our solar system?
Jupiter