Question

Which of the following elements will form negative ions? Check

all that apply.
K
S
I
Mg

Answer 1

S and I will form a Negative charge

Step-by-step explanation:

From the Periodic Table, we know that elements having,6,7 valence electrons have the tendency to gain electrons and try to form negative ions.

As per the given question,

K gives up 1 electron to make it a positive charge

And,

Mg gives up 2 electrons to make it a positive charge

And ,

S and I both take electrons making them negatively charged.