Question

write down 1 to 30 elements
write in this formula
Element ,Symbol, Atomic no,Atomic weight ​

Answer 1

Hydrogen, H, 1
Helium, He, 2
Lithium, Li, 3
Beryllium, Be, 4
Boron, B, 5
Carbon, C, 6
Nitrogen, N, 7
Oxygen, O, 8
Fluorine, F, 9
Neon, Ne, 10
Sodium, Na, 11
Magnesium, Mg, 12
Aluminium, Al, 13
Silicon, Si, 14
Phosphorus, P, 15
Sulphur, S, 16
Chlorine, Cl, 17
Argon, Ar, 18
Potassium, K, 19
Calcium, Ca, 20
Scandium, Sc, 21
Titanium, Ti, 22
Vanadium, V, 23
Chromium, Cr, 24
Manganese, Mn, 25
Iron, Fe, 26
Cobalt, Co, 27
Nickel, Ni, 28
Copper, Cu, 29
Zinc, Zn, 30