Table salt is an example of what?
Compound
Aluminum is an example of what?
Element
Baking soda is an example of what?
Compound
What is the building block of all matter?
Atoms
Have many different types of atoms have been made in laboratories?
24
A substance that is made of just one kind of atom.
Element
Group of atoms joined tightly together.
Molecule
A molecule of oxygen is made from ............. atoms of oxygen joined together.
Two(2)
The chemical symbol for .................. is C.
carbon
Most common metal found in the Earth's crust.
Aluminium
Most common element found in the Universe.
Hydrogen
Substance that are made up more than one kind of atom.
Compound
Element or Compound?
Compound
Element with the smallest mass in the Periodic Table.
Hydrogen
Element or Compound?
Compound
Different elements or compounds that are not joined together chemically.
Mixture
