Question

An element 'M' has atomic number 11.(a) Write its electronic configuration.(b) State the group to which 'M' belongs.(c) Is 'M' a metal or a non-metal.(d) Write the formula of its chloride.

Answer 1

1)11M=K-2,L-8,M-1.
2)1st group.
3)metal.
4)MCl.

Answer 2

Element of atomic number 11
-------------------------------------------

=) Electronic configuration:-- 2,8,1

=) it belongs to "lA " group called alkali metals.

=) it is a metal.

=) it's formula for its chloride :- MCl