Question

4. Write down the electronic
configuration of the following
elements from the given atomic
numbers. Answer the following
question with explanation.
a. Li, Si, He, ,,Na, P Which of these
elements belong to be period 3?
b. HN, Ca, S. Be. Ar
Which of these elements
belong to the second group?
a N.C.O. B. Al
Which is the most
electronegative element among
these?
d. Be, C. 0. B. Al
Which is the most
electropositive element among
these?
e ,Na, , P. ,,C1, Si, Mg
Which of these has largest
atoms?
K ,Li, Na, Be
Which of these atoms has
smallest atomic radius?
9. Al, Si, Na, Mg, S
Which of the above elements
has the highest metallic character?
h. C, LG, F, N, 0
Which of the above elements
has the highest nonmetallic
character?​

Answer 1

Explanation:

(a) Na ,P

(b) Be,Ca

(c) O

(d) Be

(e) P

(f) Li

(g)Na

(h) F