Table of contents

10. Periodic Properties of the Elements

Valence Electrons of Elements

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

How many valence electrons does neon (Ne) have?

Verified step by step guidance

Identify the element in question, which is neon (Ne). Neon is a noble gas with atomic number 10.

Recall that valence electrons are the electrons in the outermost shell (energy level) of an atom.

Determine the electron configuration of neon. Neon has 10 electrons, so its configuration is $1s^2 2s^2 2p^6$.

Recognize that the outermost shell for neon is the second shell, which contains the $2s^2$ and $2p^6$ electrons.

Add the electrons in the outermost shell: $2$ (from $2s$) + $6$ (from $2p$) = $8$ valence electrons.

Master Main Group Elements Valence Electrons with a bite sized video explanation from Jules

Problem sets built by lead tutors

Expert video explanations