Question

Jill tells Bobby that the lightest element in the periodic table is Chlorine because it has an atomic number of 17. Bobby states that Jill is incorrect and that he believes that Hydrogen is the lightest element because it has an atomic number of 1. Which statement is correct? Question 4 options: Jill is correct because Chlorine has more protons. Bobby is correct because Chlorine has more protons.

Answer 1

Hydrogen is the lighest element in the periodic table.

Step-by-step explanation:

Hydrogen is known by being the lights element with an average atomic mass of 1. Hence, Bobby is correct.