Question

question 18 (0.5 points)listenwhich of the following are noble gases?a) chlorineb) argonc) seleniumd) iodinee) arsenicf) fluorineg) xenonh) kryptoni) oxygenj) nitrogen

Explanation:

Noble gases are elements in Group 18 of the periodic table, characterized by full valence electron shells. From the options:

• Chlorine (a), fluorine (f) are Group 17 halogens.
• Selenium (c), iodine (d), arsenic (e) are metalloids/nonmetals in other groups.
• Oxygen (i), nitrogen (j) are Group 16 and 15 nonmetals.
• Argon (b), xenon (g), krypton (h) are Group 18 noble gases.

Answer:

b) argon
g) xenon
h) krypton