Chemistry, asked by lilawantirajput23, 8 hours ago

tell me answer of this question

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Answered by gauthamsw
0

Answer:

12 comes in 2a group in the periodic table

Answered by SwankeyGirl4567
1

Answer:

=> 12,Mg, Magnesium

=>10, Ne, Neon

=>18, Ar, Argon

=>24, Cr, chromium

Explanation:

The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).

Hope it's helful uh dani di how r uh aap baat ni marte ab

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