Atomic Structure

which is the smallest part of an atom?

• Electron

• Proton

• Neutron

• Outer shell

Which particle has no charge

• Electron

• Proton

• Neutron

• Nuclius

If an atom has an electronic number 8,how many electrons does it have?

• 4

• 16

• 8

• 2

If an atom has an atomic number 11 and mass no 23,how many neutrons does it have?

• 10

• 12

• 11

• 23

How many neutrons in Be ?

• 3

• 4

• 5

• 9

How many neutrons in Be ?

• 3

• 4

• 5

• 9