Parts of an atom

1.      All matter is made from the smallest thing, which is called

• bateria

• element

• atom

• none

1.      Which one is not part of an atom?

• electron

• cell

• proton

• none

What charge does a neutron have?

• +

• -

• no charge

• none of these

1.      Which particles of an atom determine the mass of the atom?

• Neutron & proton

•       proton & electron

• electron & neutron     

• all of these

1.      What is the atomic mass unit of a proton?

• 4

• 3

• 2

• 1

What charge does a proton have?

• -

• no charge

• +

• none of these

How does an atom goes from neutral (charge of zero) to an ion?

• adding more protons

• adding more electrons

• adding more neutrons

• none of these

What is the name of the region that surrounds the nucleus?

• Proton cloud

• Proton & neutron cloud

• neutron cloud

• electron cloud

1.      What does the atomic number represent?

• number of neutrons

• mass number

• number of electrons & protons

• number of protons, electrons, & neutrons

1.      How can an atom have stability or a neutral charge?

•       Balance of neutrons & electrons

• Balance of electrons & protons

•     Balance of protons & neutrons

•     None of these