give the atomic masses of important element for class 9 - Science - Structure of the Atom

Question

give the atomic masses of important element for class 9

Ishdeep Kaur · Accepted Answer

hydrogen=1
helium=4
lithium=7
beryllium=9
boron=11
carbon=12
nitrogen=14
oxygen=16
flourine=19
neon=20
sodium=23
magnesium=24
aluminium=27
sulphur=32
phosphorus=31
chlorine=35 5
argon=40
pottasium=39
cacium=40
iron=56
copper=63 5
zinc=65
siver=108
platinum=195
gold=197
lead=207
uranium=238