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Aryan could not solve the following question in the group; his groupmate explained him and solved his difficulty. The question was as follows: What information do you get from the given figure about the atomic number, mass number and valency of the ...

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Aryan could not solve the following question in the group; his groupmate explained him and solved his difficulty. The question was as follows:

What information do you get from the given figure about the atomic number, mass number and valency of the given atom X’.

(a) What is the answer for-the above question?

(b) Name the element X’.

(c) What value of Aryan’s friend is reflected in this behaviour?

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(a) The atomic number is 5. The mass number is 11. The valency is 3.

(b) The element 'X’ is boron.

(c) Aryan’s friend showed the value of helping and caring nature.

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