structure of an atom

1.All matter is made of what

• energy

• electrons

• compound

• atoms

4. electrons have this type of charge?

• positive

• negative

• neutral

The three subatomic particles are

• proton, neutron, electron

• proton, nucleus, electron

• protein, neutron, electricity

• proton, neutral, electives

99.9% of the atom's mass is found where?

• nucleus

• protons

• electron cloud

• neutrons

When an atom contains more electrons than protons, it is

• a neutral atom with no charge

• an ion and negatively charged

• an ion and positively charged

• an isotope and has more mass

When an atom contains more neutrons than another atom, it is

• a neutral atom with no charge

• an ion and negatively charged

• an ion and positively charged

• an isotope and has more mass

The nucleus is ____________ charged.

• positively

• negatively

• neutral

The area around the nucleus of an atom where the atom's electrons are most likely to be found is called

• electron cloud

• quark

• electron

• nucleus

If a neutral atom has 8 protons, how many electrons does it have?

• 7

• 8

• 9

• 10

What is 'E' pointing to?

• electron cloud

• electron

• nucleus

• proton

• neutron