Question

what group do the following elements all belong to: f, cl, br, and i
noble gases
transition metals
alkaline earth metals
alkali metals
halogens
metalloids
question 2
1 pts
which of the following are noble gases?
he, ne, ar, kr
o, s, se, te
f, cl, br, i
h, b, c, n

Explanation:

Fluorine (F), chlorine (Cl), bromine (Br), and iodine (I) are halogens as they are in Group 17 of the periodic table. Helium (He), neon (Ne), argon (Ar), and krypton (Kr) are noble - gases as they are in Group 18 with full outer electron shells, making them chemically inert.

Answer:

Question 1: Halogens
Question 2: He, Ne, Ar, Kr