Question

A) Atomic numbers of the following elements are given below:
A = 8 , B = 7, C = 17 , D = 11 and E
20
i)State which of the above is divalent metal.
ii)State which of the above is a non-metal.
111) State the type of bonding between D and C
iv) State the types of bonding between two atoms of 'A'​

Answer 1

Answer:

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Answer 2

A= 8 (i.e., oxygen)

B= 7 (i.e., Nitrogen)

C=17 (i.e., Chlorine)

D= 11 (i.e., Sodium)

E= 20(i.e.,  Calcium)

i) E is divalent metal because they have a valency of 2. A is also divalent but it's non-metal.

ii) A, B, C are non-metals.

iii) D and C share Ionic Bonding where D is metal and C is non-metal.

iv) Two Covalent bonds form between the two A atoms because A requires two shared electrons to fill its outermost shell.