Question

1. which of the following describe the elements within the group of the periodic table that contains argon and krypton? select two correct answers. gaseous at room temperature neither solid or gaseous at room temperature solid at room temperature mostly unreactive with metals highly reactive with metals clear all

Explanation:

Argon and krypton are noble - gases. Noble - gases are gaseous at room temperature and are mostly unreactive with metals due to their full outer electron shells which give them high stability.

Answer:

gaseous at room temperature, mostly unreactive with metals