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PLZ HELP ASAP
Potassium (K), an alkali metal, and magnesium (Mg), an alkaline earth metal, both combine readily with bromine (Br), a halogen. What compound will each element (K and Mg) most likely form with bromine?
A. KBr and Mg 2Br
B. KBr and MgBr
C. K 2Br and Mg 2Br
D. KBr and MgBr 2

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shakha2017

Answer:

D. KBr and MgBr₂

Explanation:

The valence of potassium and bromine is 1, and the valence of magnesium is 2

Mg+Br₂=MgBr₂

2K+Br₂=2KBr

Answer:

D

Explanation:

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