The Periodic Table Quick Check

2 of 52 of 5 Items
Question
Use the periodic table to answer the question.

An illustration shows the periodic table.

Which statement about nitrogen (N) and phosphorus (P) is correct?

(1 point)
Responses

They have the same number of electron shells.
They have the same number of electron shells.

They have the same number of valence electrons.
They have the same number of valence electrons.

They are both inert.
They are both inert.

They are both classified as halogens.

None of the statements are correct. Nitrogen (N) and phosphorus (P) do not have the same number of electron shells or valence electrons. Nitrogen has 2 electron shells and 5 valence electrons, while Phosphorus has 3 electron shells and 5 valence electrons. They are not classified as inert gases (noble gases) or halogens.