Question

This element is in the same family as Br, but has fewer protons than Mg. What is it?

Answer 1

Answer:

Fluorine

Explanation:

It has 9 protons ( Mg has 12 ) and it is in the same family as Br - bromine That is group 7.

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Answer 2

Fluorine is the element in the same family as Br, but fewer proton than Mg.

What is Proton ?

Proton is positively charged. Proton is a subatomic particle which builds the atom.

Number of proton = Number of electrons = Atomic number

What is Halogen Family ?

Halogens are non metallic elements in periodic table. It belongs to group 17 in the periodic table. Halogen family consists six element that is Fluorine, Chlorine, Bromine, Iodine, Astatine and Tennessine.

Magnesium has 12 protons. Fluorine has 9 protons. Chlorine has 17 protons that is much more than the Magnesium. Fluorine belongs the same family that is halogen family as Br.

Thus, we can say that Fluorine is the element in the same family as Br, but fewer proton than Mg.

Learn more about the Proton here: https://brainly.com/question/1805828

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