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(a) Name the element used as a standard ...

(a) Name the element used as a standard for atomic mass scale.
(b) Which particular atom of the above element is used for this purpose ?
(c) What value has been given to the mass of this reference atom ?

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(a) Carbon , (b) Carbon-12 atom (c ) 12 u
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LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
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