IS IT COMPULSORY TO REMEMBER THE WEIGHT OF ATOMIC MASSES OF ALL ELEMENT......
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❤ITS NOT COMPULSORY TO REMEMBER OR MUG UP
❤THERES A FORMULA TO FIND THE ATOMIC MASSES OF ELEMENT!
❤HOPE YOU DONT MUG UP THE ATOMIC MASSES !!!
❤
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Answer:
Hey no dude...
just rember the formula to calculate at.mass
and remember at.no of 1 to 30 elements its enough.
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