Question

If the Atomic number of an element ‘X’ is 11 and of an element ‘Y’ is 17 –
Answer the following questions: [5]
i) State the type of bonding possible between elements ‘X’ and ‘Y’.
ii) State the difference between ‘X’ and X+
.
iii) State the valency of the element ‘X’.
iv) If a compound is formed between an atom ‘Z’ with atomic number 19 and element
‘Y’ with atomic number 17, write the molecular formula between Z and Y
v) Write the electronic configuration of the atom 20 A 40

Answer 1

an element ‘Y’ is 17 –

Answer the following questions: [5]

i) State the type of bonding possible between elements ‘X’ and ‘Y’.

ii) State the difference between ‘X’ and X+

.

iii) State the valency of the element ‘X’.

iv) If a compound is formed between an atom ‘Z’ with atomic number 19 and element

‘Y’ with atomic number 17, write the molecular formula between Z and Y

v) Write the electronic configuration of the atom 20 A 40