Question

How many pairs of isotopes are there amongst the given atoms?
B] Find a pair of isobars.
C] Find an element with valency 3.
D] Identify the Element with 10 neutrons in the nucleus.
E] Calculate the number of different sub atomic particles in the atom C.

Answer 1

Answer:

A] Two pairs of isotopes – B, D & C, E

B] A & D are isobar.

C] Element A.

D]Element E

E] for element C – no. of electrons is 8 and no. of proton is also 8.

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