What are the carbon (C) and oxygen (O) in carbon dioxide (CO2) ?

(select all that apply)

A) Atoms

B) Compounds

C) Elements

D) Molecules

Water is an example of a compound. a. True b. False

How many chromosomes does a human body have

Describe how to make a buffer solution using a strong base and one other reagent.

How do you determine the number of atoms in a model of a compound

Select the correct answer from each drop-down menu. How are real gases different from ideal gases? Real gases differ from ideal gases because in a real gas, and.

Which stament best describes a solution

Which answer accurately describes the difference between speed and velocity? Read each answer choice carefully. Question 4 options: A. If speed is constant, then velocity is also constant. B. Speed requires direction.

Least reactive element of period 3

A chemical formula shows the kind and number of Atoms that form a what? compound, mixture, solution, or suspension

What gas was used as a deadly posiosn in world war 1?