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Molecular Formula

Based on the...

Question

Based on the hints given, find out the atomic number and write down the subshell electronic configuration of elements (symbols used are not real) [3 marks]

i. A- period 3 group 17

ii. B- period 4 group 6

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Q. The atomic numbers of two elements are given as Si-14, Ni-28. Write the subshell electronic configuration of these elements and also find out the group and period of each element.

Q. The element X in group 17 has 3 shells. If so, [3 marks]

a. Write the subshell electronic configuration of the element.

b. Write the period number.

c. What will be the chemical formula of compound formed, if the element X reacts with Y of the third period which contains one electron in the p subshell?

The element X in group 17 has 3 shells, if so,

a) Write the subshells electronic configuration of the element.
b) Write the period number.

Q. The outermost subshell-wise electronic configuration of an element Y (Symbol is not real) is

3 s^{2} 3 p^{4}

. To which period and group does this element belongs?

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