What information do you get from the figure given below about the… - Vidyadip

Question

What information do you get from the figure given below about the atomic number, mass number and valency of atom $X?$

✓

Answer

Atomic Number(no. of p) $= 8$
Mass Number(no. of $p + n) = 8 + 10 = 18$
Valency of atom $= 2$

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