Question

question 10 of 25 which statements are true of noble gases? check all that apply. a. they have a full valence shell. b. they do not tend to react. c. they are metals. d. all of the noble gases have at least four electron - shielding layers.

Explanation:

Noble gases (Group 18) have full valence shells (He: 2, others: 8), making them unreactive. They are nonmetals, and not all have ≥4 electron shielding layers (e.g., He has 1 shell).

Answer:

A. They have a full valence shell, B. They do not tend to react