Science, asked by sandeshsapkota005200, 2 months ago

molecular weight of first 20 elements

Answers

Answered by MrsJeon01

1

Answer:

Atomic Mass of First 30 Elements

ATOMIC NUMBER ELEMENT ATOMIC MASS

17 Chlorine 35.45

18 Argon 39.948

19 Potassium 39.098

20 Calcium 40.078

ur answer

Answered by sahilkumarsingh821

1

Atomic Mass of First 30 Elements

ATOMIC NUMBER ELEMENT ATOMIC MASS

17 Chlorine 35.45

18 Argon 39.948

19 Potassium 39.098

20 Calcium 40.07

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