Question

Test yourself
Write down the group numbers for carbon, oxygen, nitrogen, and sulphur.
2 Where in the periodic table do you find the precious metals gold, silver, and platinum?
3 Write down the names of the elements having these symbols:
Pb, Sn, W, K, P., Hg​

Answer 1

Answer:

1. 14 , 16 ,15 and 16 respectively.

2. Gold: Period 6/Group 11

Silver: Period 5/Group 11

Platinum: Period 6/Group 10

3. Pb: Lead

Sn: Tin

W: Tungsten

K: Potassium

P: Phosphorus

Hg: Mercury

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