Question

which one is present in the fifth period​

Answer 1

I Think So It Will Help U ,

Period 5 element

Period 5 elementHydrogen Helium

Period 5 elementHydrogen HeliumLithium Beryllium Neon

Period 5 elementHydrogen HeliumLithium Beryllium NeonSodium Magnesium Argon

Period 5 elementHydrogen HeliumLithium Beryllium NeonSodium Magnesium ArgonPotassium Calcium Krypton

Period 5 elementHydrogen HeliumLithium Beryllium NeonSodium Magnesium ArgonPotassium Calcium KryptonRubidium Strontium Xenon

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Answer 2

Answer:

Hydrogen: Helium:

Lithium. Beryllium Neon

NeonSodium Magnesium Argon

ArgonPotassium Calcium. Krypton

KryptonRubidium Strontium. Xenon

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