Answer :

lknochulily195

Answer:

I find this in my 9 th STD book

may it will help you!!

View image lknochulily195
bajrangd821
  1. Sodium atom
  • mass no. 23
  • no. of electrons 11
  • no. of protons 11

2. aluminium ion

  • Atomic no. 13
  • no. of protons 10
  • no. of neutrons 17

3. Chloride ion

  • atomic no. 17
  • mass no. 36
  • no. of protons 18

4. Phosphorus atom

  • atomic no. 15
  • no. of electrons 15
  • no. of neutrons 16

5. Cuprous ion

  • atomic no. 25
  • mass no. 63
  • no. of protons 28

hope u like it

Other Questions