if M is an element of group 2 and X is an element of group 17 then which type of compound will be formed by M and X?
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if M is an element of group 2 and X is an element of group 17 then which type of compound will be formed by M and X?
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Answer:
the answer is MX 2
Explanation:
M will lose two electrons to complete its octet. It will form M 2+
ion. X will gain one electron to complete its octet. It will form X − ion. One M2+ ion will combine with two X − ions.
the example is CaCl2
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Answer:
alkaline earth metal halides
Explanation:
Elements of group 2 are classified as alkaline earth metals and group 17 has halogens
when alkaline earth metals and halogens react they form alkaline earth metal halides