Question

write the atomic number of first five elements of the periodic table .Also name the elements​

Answer 1

Answer:

H,He,Li,Be,B, At.no. 1,2,3,4,5

Answer 2

Answer:

●●HERE IS YOUR ANS...

Explanation:

....HYDRON - (1)

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....HELIUM - (2)

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....LITHIUM - (3)

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....BERILIUM - (4)

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....BORON - (5)

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HOPE IT WILL HELP YOU...