Year 10 Chemistry

What is the charge of a proton?

• Neutral

• Positive

• Negative

• No charge

Which subatomic particle is found in the nucleus of an atom along with protons?

• Electrons

• Neutrons

• Positrons

• Photons

What is the trend for atomic radius as you move down a group in the periodic table?

• Increases

• Decreases

• Remains the same

• Fluctuates

Which element is in Group 1 of the periodic table?

• Helium

• Sodium

• Chlorine

• Argon

• Decomposition

• Combustion

• Synthesis

• Single displacement

Which factor does NOT affect the rate of a chemical reaction?

• Temperature

• Concentration

• Colour

• Surface area

• 3

• 4

• 5

• 6

Which group in the periodic table is known as the noble gases?

• Group 1

• Group 2

• Group 17

• Group 18

What is the main type of bonding in sodium chloride (NaCl)?

• Covalent bonding

• Ionic bonding

• Metallic bonding

• Hydrogen bonding

Which of the following is a decomposition reaction?