Chemistry recall test - part 1

What separation technique would we use to separate sand from water?

• Chromatograpgy

• Distillation

• Filtering

Name the 3 sub-atomic particles.

• Quark

• Proton

• Electron

• Neutron

How many types of atom are there in an element?

• 1

• 2

• 3

• 4

How many types of atom are there in a compound?

• 1

• 2 or more

• None

The atomic number is the number of  _____.

• Neutrons

• Protons

• Electrons

What separation technique would we use to separate water from ethanol?

• Filtering

• Distillation

• Chromatography

Where in the atom are the protons and neutrons found?

• The outer shell

• The inner shell

• The nucleus

What is the charge on an electron? 

• +1

• -1

What is the charge on a neutron?

• +1

• No charge

• -1

Why do atoms have no overall charge?

• Number of electrons = number of protons

• Number of neutrons = number of protons

• Number of neutrons = number of electrons