Chemistry Review

Which of the following is NOT a subatomic particle?

• Electron

• Element

• Proton

• Neutron

How many atoms of Oxygen are there in 2 Na(PO₄)₂

• 2

• 4

• 8

• 16

Which of the following is a chemical property

• Density

• Melting point

• Flammability

• Luster

How many electrons are in the first shell of a Bohr-Rutherford diagram

• 1

• 2

• 4

• 8

Which element would chemically react in a similar way to Na

• Li

• Mg

• O

• F

What family is Chlorine in?

• Alkali Metals

• Alkaline Earth Metals

• Halogens

• Noble gases

If an elements atomic number is 6, what must it be?

• Helium

• Lithium

• Carbon

• Oxygen

Which of the following is a physical change?

• Rusting coin

• Cutting grass

• Fireworks exploding

• Rotting garbage

Salt is considered what classification of matter?

• Element

• Compound

• Heterogeneous mixture

• Homogeneous mixture

Which of the following is NOT a clue for a chemical change

• Change of state

• Bubbles of gas

• Produces heat

• Change in colour