Question

2nd period elements from the periodic table are given below
Li, Be,
B, C, N, O, F
a. Atomic size of the elements decreases from Li to F. Why?
b. Name the elements which have metallic properties.
c. Name the elements which have non-metallic properties.​

Answer 1

Answer:

a. because the electron is always added to the same subshell untill the subshell gets completely filled

b. Li , Be

c. C, N, O, F