SNC 1W1- Chemistry Unit Test Review

Which family does sodium belong to?

• alkali metals

• alkaline earth metals

• noble gases

• halogens

Which of the following is a quantitative physical property of iron?

• silvery white

• ductile

• malleable

• density of 7.87 g/cm³

Which term describes how well a substance dissolves in water?

• combustibility

• solubility

• density

• flammability

Which of the following is a chemical change?

• a log being cut into pieces

• salt dissolving in water

• a candle burning

• ice forming on top of a pond

Which of the following is a physical change?

• folding paper to create a paper airplane

• baking bread

• lighting a campfire

• frying an egg

Which of the following is a clue of a chemical change?

• change in shape

• change in colour

• substance is brittle

• substance is boiling

Which atomic particle has a negative charge?

• electron

• proton

• neutron

• nucelus

How many orbitals does an Bohr-Rutherford diagram of fluorine need?

• 0

• 1

• 2

• 3

Potassium belongs to which group?

• Group 1: alkali metals

• Group 2: alkaline earth metals

• Group 17: halogens

• Group 18: noble gases

Argon belongs to which group?

• Group 1: alkali metals

• Group 2: alkaline earth metals

• Group 17: halogens

• Group 18: noble gases