Question

Q5:- The given figure depicts the atomic structure of an atom of an element 'X'. Write the following information about the element 'X'.8p 10 n
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Answer 1

Atomic number = Number of protons = 8

Atomic mass = Number of protons + Number of neutrons = 8 + 10 = 18 u

Valence electrons = 6

Valency of ‘X’ = 8 - 6 = 2

‘X’ should be non-metal because there are six valence electrons hence it will take two more electrons to complete its outermost shell

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Answer 2

Answer:

✓ Atomic Number : 8

✓ Atm. Mass : 18

✓ Valency : 6

✓ Valence Electrons : 2