how many element and compound should i learn in class 10
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Answered by
14
Answer:
21 to 32 well u don't need to learn everyone , but still I should learn all the valencies of the elements of first 20
pratik123616:
how many should i learn compound
Not all..... learn as much as u can ! they e not that important
you need to learn 20 elements of periodic table first 20 and 1 and 2 group and 3 periods
thank u
Yes... ans ur welcome
Answered by
2
Answer:118 elements
Explanation:Periodic table
Plsmark as brainliest
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