Heerka 2 ee curiye

Elements
{|
| colspan="3" | Chemical element || Chemical series || Electron configuration
|-bgcolor="#ff6666"
|| 3 || Li || Lithium || Alkali metal || [He] 2s1
|-bgcolor="#ffdead"
|| 4 || Be || Beryllium || Alkaline earth metal || [He] 2s2
|-bgcolor="#cccc99"
|| 5 || B || Boron || Metalloid || [He] 2s2 2p1
|-bgcolor="#a0ffa0"
|| 6 || C || Carbon || Nonmetal || [He] 2s2 2p2
|-bgcolor="#a0ffa0"
|| 7 || N || Nitrogen || Nonmetal || [He] 2s2 2p3
|-bgcolor="#a0ffa0"
|| 8 || O || Oxygen || Nonmetal || [He] 2s2 2p4
|-bgcolor="#ffff99"
|| 9 || F || Fluorine || Halogen || [He] 2s2 2p5
|-bgcolor="c0ffff"
|| 10 || Ne || Neon || Noble gas || [He] 2s2 2p6
|}