What is the formula for the ionic compound formed when potassium and bromine combine?
A) PBr
B) KBr
C) KBr2
D) K2Br
E) K7Br
Correct Answer:
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Q16: Which is NOT a covalent compound?
A)Br2
B)NO2
C)NH3
D)NaNO2
E)More than
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Q18: Which is NOT an ionic compound?
A)KCl
B)Ca(NO3)2
C)CBr4
D)AlBr3
Q19: In bonding,main group elements _ to attain
Q20: What is the charge of the ions
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