Periodic Table

Which of these is a non-charged particle?

• Nuclei

• Proton

• Electron

• Neutron

Which of these that don't belong in the nuclei?

• Proton

• Neutron

• Electron

• Proton and Electron

If an element has an atomic number of 10, how many electron does the element has?

• 2

• 8

• 10

• 20

If Sodium has an atomic number of 11, and atomic mass of 23, then how many neutron does Sodium has?

• 11

• 12

• 23

• 34

Which of these that has greatest number of neutron?

• 3 Li 6

• 9 F 19

• 12 Mg 24

• 13 Al 27

The electronic configuration of 4 Be 9 is?

• 2, 2

• 2, 4

• 2, 5

• 2, 9

The electronic configuration of 13 Al 27 is?

These elements are having the same number of valence electron (tick 2 boxes)

• 3 Li

• 7 N

• 17 Cl

• 19 K

These elements are belong to the same group. (tick 2 boxes)

• 12 Mg

• 6 C

• 16 S

• 20 Ca

This element, don't belong to the same group as others.

• 1 H

• 10 Ne

• 11 Na

• 19 K