An oxygen atom is 16x more massive than a hydrogen atom.
You can figure this out by comparing the atomic masses of the two elements: oxygen has an atomic mass number of 16, and hydrogen has an atomic mass number of 1. Thus, an oxygen atom is 16 times more massive than a hydrogen atom.
Answer:
Do you have options of answers for this question
Option 2 is the correct answer
Grief.
To mourn is to feel great sadness or regret for something.
Grief, lament, weep, shed tears, deplore, bewail, bemoan, rue, and regret.
