Year 9 Chemistry A quiz

_{What is the hazard shown in this hazard sign?}

• Fireworks

• Broken Glass

• Explosive

• Corrosive

_{What is the hazard shown in this hazard sign?}

• Fireworks

• Broken Glass

• Explosive

• Corrosive

_{What is the hazard shown in this hazard sign?}

• Fire

• Corrosive

• Flammable

• Inflammable

_{What is the hazard shown in this hazard sign?}

• Corrosive
• Irritant
• Danger
• Caution

_{What is the hazard shown in this hazard sign?}

• Explosive

• Corrosive

• Irritant

• Flammable

_{What is the hazard shown in this hazard sign?}

• Death
• Pirates
• Corrosive
• Toxic

Which subatomic particle has a positive (+) charge?

• Neutron
• Proton
• Electron

In this picture, the Electrons are found in which color?

• Blue
• Red
• Green

The atomic mass is the number of _______ plus ________. 

• protons, electrons 
• protons, neutrons 
• electrons, neutrons 
• quarks, neutrons 

The number of electrons in an atom is equal to ......

• the number of protons

• the number of neutrons

• the atomic mass