Question
Which of the following elements has the most valance electrons in its outermost shell? hellum nitrogen oxysen carbon
Answer
4.2
(230 Votes)
Alys
Master · Tutor for 5 years
Answer
### Oxygen
Explanation
## Step 1: Identify the number of valence electrons for each element### Helium (He) has 2 valence electrons, Nitrogen (N) has 5 valence electrons, Oxygen (O) has 6 valence electrons, and Carbon (C) has 4 valence electrons.## Step 2: Compare the number of valence electrons### Oxygen has the highest number of valence electrons among the given elements.