Answer asap i really need it is it the 1st,2nd,3rd, or 4th anwser

Name the element in group 17, period 2. (periodic table)

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never