Question

What information do you get from the figure given below about the
atomic number, at mass number and valency of atoms X, Y and Z.
Give your answer in tabular form.​

Answer 1

Answer:

X  element is Boron , Its atomic number is 5 , Its mass number is 11 ,  Valency of atoms is 3.

Y element is Oxygen , Its atomic number is 8 , Its mass number is 16 , Valency of atoms is 5.

Z element is Phosphorus  , Its atomic number is 15 , Its mass number is 31 , Valency of atoms is 3 or 5 ( can be any of it)

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Answer 2

Answer:

1.element=boron

 atomic no=5

  mass no=11

   valency=3

2.element=oxygen

  atomic no=8

   mass no=16

    valency=5

3.element=phosphurus

   atomic no=15

    mass no=31

     valency=3

Explanation: