Question

what is the atomic mass and atomic no upto 50 elements

Answer 1

atomic Atom is a very smallest particle atomic weight is measured is very difficult it is measured as amu
Iuc suggest a carbon -12is a reference element to calculate atomic mass
hydrogen 1
helium 4
lithium 7
beryllium 9
boron 11
carbon 12
nitrogen 14
oxygen 16
fluorine 19
neon 20
sodium 23
magnesium 24
aluminium 27
silicon 28
phosphorus 31
sulphur 32
chlorine 35.5
argon 40
potassium 39
calcium 40
scandium 45
titanium 48
vanadium 51
chromium 52
manganese 55
iron 56
cobalt 59
nickel 58.7
copper 63.5
zinc 65.3
hope this help u..............
I know only 30 elements so sorry