Science, asked by sf046793, 8 months ago

Answer fast...Will be marking brainliest​

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Answered by yashkrrish123
2

Answer:

fluorine

Explanation:

it is in 2nd period rest are in 3rd

Answered by madhokyash75
0

Answer:

CALCIUM IS ODD BECAUSE

AS SODIUM,MAGNESIUM,FLUROINE R HIGHLY REACTIVE METALS

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