can you please tell that how of many elements i have to learn the atomic mass and radius
Asked by nandani agarwal | 23rd Oct, 2010, 12:00: AM
Don't learn atomic radius and it is adviceable to know only trends across period and down the group only.
and about the atomic mass, you can learn the atomic mass of first 30 elements i.e from Hydrogen to zinc.
Answered by | 23rd Oct, 2010, 09:54: PM
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