Question

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

Answer 1

D

Step-by-step explanation:

Answer 2

D. KBr and MgBr₂

Step-by-step explanation:

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

Mg+Br₂=MgBr₂

2K+Br₂=2KBr