question 12\n5 pts\nwhich of these elements is a group 7 member?\ncalcium\nchlorine\nhelium\nboron

question 12\n5 pts\nwhich of these elements is a group 7 member?\ncalcium\nchlorine\nhelium\nboron

question 12\n5 pts\nwhich of these elements is a group 7 member?\ncalcium\nchlorine\nhelium\nboron

Answer

Answer:

B. Chlorine

Brief Explanation:

In the periodic table, chlorine is in group 17 (also known as group 7 in the old - style numbering for main - group elements). Calcium is in group 2, helium is in group 18, and boron is in group 13.