Question

atomic masssess of the first 30 elements in the neareast whole numbers

Answer 1

H=1 He=4. Li=7. Be=9. B=11 C=12 N=14. O=16 F=19 Ne= 20 Na=23 Mg=24 Al=27 Si=28 P=31 S=32 Cl= 35 Ag=39 K= 40 Ca=40 SC= 45 Ti=48 V=51 Cr=52 Mn=55 Fe=56 Ni=59 Co=59 Cu=63 Zn=65