Which one of the following elements has an allotrope that is produced in the upper atmosphere by lightning?
A)N
B)O
C)S
D)Cl
E)He

Question

Quizplus · Accepted Answer

The element with an allotrope produced in the upper atmosphere by lightning is oxygen (O), which forms ozone (O3). Lightning breaks down oxygen molecules in the atmosphere into individual atoms, which can then react with other oxygen molecules to form ozone.

Which One of the Following Elements Has an Allotrope That