Give Easy Tricks to remember atomic mass first 20 elements
yadavpooja82127:
you can multiply with 2 with atomic structure....only some of you have to learn only adding 1 after multiplication
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concentrate while studying atomic mass of elements. and once u learn it revise it per day
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Tricks to remember atomic mass first 20 elements
▶this trick follow this rules for first 20 elements
atomic mass=2×atomic number
example
atomic mass of Magnesium =2×atomic number of Magnesium =2×13=26
▶this trick follow this rules for first 20 elements
atomic mass=2×atomic number
example
atomic mass of Magnesium =2×atomic number of Magnesium =2×13=26
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