Question

16. An atom with 3 protons and 4
neutrons will have a valency of
3
Ο Ο Ο
Ο 1
Ο 4​

Answer 1

Answer:

1

Explanation:

the element has 3 electrons so the element want to give 1 electron to be stable

Answer 2

Answer:

atomic number = no of protons = 3

mass no = no of protons + no of neutron = 7

hence valence electrons in outermost shell is 1

Explanation:

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