Chemistry, asked by samyukthayogesh, 3 months ago

The element in group 2 and period 4.

Answers

Answered by minakshi987

Answer:

The given element is calcium. The atomic number of calcium is 20. It is situated in the second group which is alkaline earth metals

Answered by Anonymous

Answer:

The element is "K" -》potassium .

Explanation:

Potassium is a chemical element with the symbol K and atomic number 19. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure

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