Question

If an element forms a 1- ion, in which group of the periodic table would you

Answer 1

Answer: the answer is D.17

Explanation:

Answer 2

Answer:

D. 17

Explanation:

Halogens (group 17) are most likely to form a -1 ion. This is because they want to complete their octet. A prime example of this is sodium chloride. Sodium chloride is an ionic compound. Sodium gives up its valence electron, therefore, recieving a +1  charge, and Chlorine takes it, giving it a -1 charge. Chlorine is also in group 17, halogens.