Atomic Structure

What makes up the nucleus of an atom?

• proton and electron

• proton and neutron

• electron and neutron

• proton, electron and neutron

Where is the location of a proton?

• inside the nucleus

• on the electron shells

• outside the electron shells

Where is the location of an electron?

• inside the nucleus

• on the electron shells

• outside the electron shells

What is the charge on a proton?

• +1

• -1

• 0

What is the charge on a neutron?

• +1

• -1

• 0

What is the charge on an electron?

• +1

• -1

• 0

What is the relative mass of an electron?

• 1

• -1

• 1/1840

• +1

What is the relative mass of an neutron?

• 1

• -1

• 1/1840

• +1

What is the electron configuration of a sodium atom?

• 11

• 2,8

• 2,8,1

• 2,1

Which of the following is an electron configuration of a noble gas?

• 2,5

• 2,8

• 2,8,1

• 2,1