Question

Which of the following elements are noble gases? Select all that apply.IronKryptonNeonArgon

Answer 1

1) Noble gases. Elements in the periodic table are organized in groups. We can find the noble gases in the eighteenth group (column).

2) Zoom in to the right part of the periodic table.

We can see in this image that Krypton (Kr), Neon, and Argon ARE noble gases.

Iron is NOT a noble gas.

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