CBSE BOARD X, asked by Fortunegiant, 1 year ago

till where do we have to learn periodic table (class 10) ... no useless answers plz

Answers

Answered by dipeeka9454
2
we have to learn it till 20-30 atomic number

hope you like it
Answered by Anonymous
1

It is better to learn 30 elements along with their atomi mass

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