Question

Mass no of first 30 element of preodic table

Answer 1

h = 1 {hydrogen}

he = 4 {helium}

li =6.9 {lithium}

be =9 {berylium}

b = 10.8 {boron}

c =12 { carbon}

n =14 {nitrogen}

o =16 {oxygen}

f =18.9 {fluorine}

ne =20.2 {neon}

na =23 {sodium}

mg =24.3 {magnesium}

al = 27 {aluminium}

si =28.1 {silicon}

p =31 {phosphorus}

s =32.1 {sulphur}

cl =35.5 {chlorine}

ar =39.9 {argon}

k =39.1 {potassium}

ca =40.1 { calcium}

sc =45 {scandium}

ti = 47.8 {titanium}

v =50.9 {vanadium}

cr =52 {chromium}

mn =54.9 {manganese}

fe =55.8 {iron}

co =58.9 {cobalt }

ni =58.7 {nickel}

cu =63 .5 {copper}

zn =65.4 {zinc}

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