An atom is described as a nucleus of protons and neutrons surrounded by a (n)

A) protons.

B) neutron cloud.

C) electron cloud.

D) negative force.

The number of positive changes in the nucleus of an atom is equal to

Which of the following is not an organic compound? Lipid Carbohydrate Water Protein

The dehydration of an alcohol in the presence of a strong acid yields

What type of charge does a neutron have

In a diagnostic test for leukemia, a person receives 3.9 mL of a solution containing selenium-75. If the activity of the selenium-75 is 40 μCi/mL, what dose, in microcuries, does the patient receive?

When does raising the temperature of a gas increase its pressure? A. temperature B. volume C. number of particles D. pressure

Hexyne. What does the name of this hydrocarbon tell you about its molecular structure?

Which of the following processes includes all of the others? Group of answer choices transport of an ion down its electrochemical gradient osmosis passive transport facilitated diffusion

How is the Bohr atomic model different from the plum-pudding model? A. In Bohr's model, the atom's mass is found at its center instead of distributed throughout. B. In Bohr's model, the atom's mass is mostly made up of electrons instead of protons.

What does the cell theory state? A. that cells come from other cells B. that cells come only from animals C. that cells cannot be created or destroyed