list first 20 elements symbols periodic number and group number
Answers
Answer:
Hope it helps. Jai Shri Krishna
Answer:
Explanation:
ELEMENT GROUP NUMBER PERIOD NUMBER
[1] HYDROGEN-H 1 1
[2] HELIUM-He 18 1
[3] LITHIUM-Li 1 2
[4] BERYLLIUM-Be 2 2
[5] BORON-B 13 2
[6] CARBON-C 14 2
[7] NITROGEN-N 15 2
[8] OXYGEN-O 8 2
[9] FLUORINE-Fl 17 2
[10] NEON-Ne 18 2
[11] SODIUM-Na 1 3
[12] MAGNESIUM-Mg 2 3
[13] ALUMINIUM-Al 13 3
[14] SILICON-Si 14 3
[15] PHOSPHORUS-P 15 3
[16] SULPHUR-S 8 3
[17] CHLORINE-Cl 17 3
[18] ARGON-Ar 18 3
[19] POTASSIUM-K 1 4
[20] CALCIUM-Ca 2 4.
HOPE THIS HELPS.