Which of the following functional groups defines a carboxylic acid?
a) -oh
b) =o
c) -po4
d) -cooh

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point

Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released