Answered

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Which of the following chemical formulas show three molecules of a compound that has one
NEED FAST
atom of mercury and two atoms of bromine
1. 3Mc2Br
2. Hg3Br2
3. 3McBr2
4.McBr23
5.3HgBr2
6.3Hg2Br

Sagot :

ardni313

The chemical formula : 3HgBr₂(Mercury(II) bromide)

Further explanation

Given

The chemical formulas of Mercury and Bromine

Required

The appropriate chemical formula

Solution

A molecular formula is a formula that shows the number of atomic elements that make up a compound.  

The number of molecules is determined by the coefficient in front of the compound

the number of atoms is determined by the subscript after the atom and the coefficient

Three molecules⇒ coefficient = 3

one atom of Mercury ⇒Hg

two atoms of Bromine ⇒ Br₂

The chemical formula : 3HgBr₂

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