Chapter 3 Test - 8th

Which particle has a positive electrical charge?

• proton

• neutron

• electron

Which of the three particles has the smallest mass?

• proton

• neutron

• electron

Which particles make up the nucleus of an atom? (you can choose more than one answers)

• proton

• electron

• neutron

Electrons have less mass than protons do

• true

• false

Neutrons have the same mass as protons do

• true

• false

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

Which subatomic particle has a neutral or no charge?

• proton

• neutron

• electron

A region around the nucleus of an atom where electrons are likely to be found.

• Electron Cloud or shell

• Nucleus

• Protons

• Electrons

How many protons does this atom have?

• 3
• 6
• 4
• 2

The name of this particle means indivisible and it is the building block of matter

• molecule

• compound

• atom

• isotope