Question

Q17. () Identify the reason for the decrease of atomic size in the period-
(a) New shells are being added which increase the distance between outermost
electrons and nucleus.
(b) increase in nuclear charge tends to pull electrons closer to the
nucleus.
(c) Electronegativity increases from left to right in period.
(d) velency is different for all elements in the group ​

Answer 1

Answer:

increase in nuclear charge tends to pull electron closer to nucleus