Year 9 GCSE chemistry

Question 1

Which of these tells you how many protons there are in an atom?

Accepted Answer

Atomic number

Question 2

Which of these has a giant covalent structure?

Accepted Answer

diamond

Question 3

Which of these is made up from a single layer of atoms?

Accepted Answer

graphene

Question 4

Which type of bonding involves sharing electrons?

Accepted Answer

covalent

Question 5

Which of these is an ionic compound?

Accepted Answer

sodium chloride

Question 6

Which of these is not a metal?

Accepted Answer

chlorine

Question 7

Which of these can conduct electricity?

Accepted Answer

copper

Question 8

What particle is in the nucleus of an atom and has no charge?

Accepted Answer

neutron

Question 9

Which is the most reactive element in group 7?

Accepted Answer

fluorine

Question 10

What is the pH of a neutral solution?

Accepted Answer

7

Question 11

Which of these substances is not a gas?

Accepted Answer

potassium chloride

Question 12

Which technique would you use to separate a mixture of mud and water?

Accepted Answer

filtration

Question 13

Which particle in an atom exists in electron shells?

Accepted Answer

electron

Question 14

What gas turns limewater milky?

Accepted Answer

carbon dioxide

Question 15

What is a reaction called in which an acid reacts with an alkali?

Accepted Answer

neutralisation

Questions 15