H
Hydrogen
Boron
B
We breathe in this element to live.
O - Oxygen
Atoms are made of even smaller particles called ___________ particles.
sub-atomic
Name an element that is commonly used to make jewellry.
Gold, Silver or Platinum
He
Helium
Aluminium
Al
Commonly used to make electrical wires.
Cu - Copper
Which sub-atomic particle has no mass and a negative charge?
electron
Melting
C
Carbon
Iron
Fe
Used in incandescent lightbulbs.
W - Tungsten
Which sub-atomic particle has a neutral or no charge?
neutron
(Bonus for the 4th!)
solid, liquid, gas + plasma
Li
Lithium
Gold
Au
The most abundant element on earth.
Fe - Iron
Which sub-atomic particle defines what the element is?
Proton
Which has a greater density - A helium balloon or air?
air
Sn
Tin
Lead
Pb
Found in our bones and teeth.
Ca - Calcium
Protons and Neutrons are found in the ___________ of an atom.
nucleus
Mars is red because its surface contains a lot of _________.
Fe - Iron (as iron oxide or rust)