There are several ways to model a compound. One type of model is shown. What is the chemical formula for the molecule represented by the model?

CHO

C4H9O2

C4H8O

C3H8O2

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.