atoms-3

What are the 3 subatomic particles of an atom?

• carbon atom, proton, electron

• quarks, neutrons, protons

• nucleus, protons, electrons

• protons, neutrons, electrons

Generally, the number of neutrons ____ the number of protons in an atom.

• =

• <

• >

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

Which subatomic particle has a neutral or no charge?

• proton

• neutron

• electron

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

What subatomic particle(s) would be found orbiting the nucleus?

• Neutrons only
• Electrons only
• Protons and Neutrons
• Protons and Electrons

Which subatomic particles contribute the most to the mass of an atom?

• Protons and Neutrons

• Protons only

• Electrons only

Which subatomic particles contribute the least to the mass of an atom?

• Neutrons

• Protons

• Electrons

The cloud-like space that electrons travel around:

• nucleus

• shell

• neutrons

• Oort cloud