write the names of element till 30 with their number of protons , neutrons and mass
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He,li,be,b,c,n,o,f,be,na,mg,Al,si,p,s,cl,,ar,k,CA,Sc,ti,v,mb,Fe,co,ni,cu,zn
Proton(2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,2728,29,30) respectively
Mass(4,5,9,11,12,14,16,18,20,23,24,27,28,31,32,35.5,36,40,40)
Neutron= proton-mass.
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