Energy Levels and Valence Electrons

Match it! Select the correct answer from the pull down...Good luck!

How many valence electrons does a neutral atom of aluminum have?

Which of these elements has the most chemically non-reactive atoms?

If a particular atom of an element has five protons a neutral atom of this element would have ________ electrons.

Which of these atoms have a total of fourteen electrons?

Valence electrons are important because these are the only electrons involved with an atom's

If oxygen gained two electrons how many electrons would be in its outer shell?

Using the periodic table of elements, how many valence electrons would helium have?

What is the atomic number of hydrogen?