help me frienzzzzzzzzz
Attachments:
Answers
Answered by
15
Answer:
groups
Li=1A.... Be=2A...B=3A....C=4A...N=5A....O=6A....F=7A.....Ne=8A
Period
they all belong to second period.
metals: Li ans Be
non-metals: B, C, N, O, F, Ne
halogen: Flourine
noble gas: neon
as moving from left to right in a period number of electron increase, no.of shell remain same, grip to valence electrons increases, nuclear force increases and thus tendency to lose electrons decreases thus metalic character decreases.
Explanation:
Similar questions