Year 10 - Material World Definitions

Electrons are ____________ particles

• negatively chraged
• positively charged
• neutrally charged

Protons are ____________ particles

• negatively chraged
• positively charged
• neutrally charged

Neutrons are __________ particles

• negatively chraged
• positively charged
• neutrally charged

Electrons are found in:

• the nucleus
• shells around the nucleus

Protons are found in:

• the nucleus
• shells around the nucleus

Neutrons are found in:

• the nucleus
• shells around the neutron

The relative weight of electrons is:

• 1/2000
• 1

The relative weight of protons is:

• 1/2000
• 1

The relative weight of neutrons is:

• 1/2000
• 1

Which of the following are properties of physical changes

• Easily reversible
• Change of state
• Colour change
• Gives off or absorbs heat