BC Science 8 Chemistry Review (updated)

Question 1

What is the name of the change of state from gas to liquid?

Accepted Answer

Condensation

Question 2

Which of the following is a qualitative property?

Accepted Answer

Colour

Question 3

John Dalton's theory of the atom is best represented by _____________.

Accepted Answer

a billiard ball

Question 4

Which subatomic structure is represented by the letter "a"

Accepted Answer

Electron

Question 5

What can we determine from the atomic number of an element?

Accepted Answer

# of protons

Question 6

Which state contains particles moving with maximum kinetic energy?

Accepted Answer

Gas

Question 7

If an element has an atomic mass of 5.6, and 3 protons, how many neutrons will it have?

Accepted Answer

3

Question 8

JJ Thomson's theory of the atom is best represented by _____________.

Accepted Answer

a blueberry muffin

Question 9

What is the least reactive family on the periodic table?

Accepted Answer

Noble Gases

Question 10

Which element is represented by this Bohr diagram?

Accepted Answer

Carbon

Question 11

The density of ice is ____________ liquid water.

Accepted Answer

lower than

Question 12

What type of lepton is also considered a subatomic particle?

Accepted Answer

Electron

Question 13

Which subatomic structure is represented by the letter "c"

Accepted Answer

Proton

Question 14

Niels Bohr's theory of the atom is best represented by _____________.

Accepted Answer

the rings around Saturn

Question 15

Which two subatomic particles are made up of quarks?

Accepted Answer

Protons & Neutrons

Question 16

What is the density of a substance with a mass of 6.0 g and a volume of 3.0 mL?

Accepted Answer

2.0 g/mL

Question 17

Which subatomic structure is represented by the letter "b"

Accepted Answer

Neutron

Question 18

What is the most reactive family on the periodic table?

Accepted Answer

Alkali Metals

Question 19

If an element has an atomic mass of 34.49, what will the mass number be?

Accepted Answer

34

Question 20

What is the name of the change in state from gas to solid?

Accepted Answer

Deposition

Question 21

Which two quantitative terms are related to the calculation of density?

Accepted Answer

Mass & Volume

Question 22

Expansion joints are used in bridges to account for which physical property of matter?

Accepted Answer

Temperature

Questions 22