CHEMISTRY - Fall Exam Review

Front

What is a chemical solution?

Back

A homogeneous mixture of a solute in a solvent.

Front

What is biology?

Back

Biology is the study of life and living organisms.

Front

Can an atom of Hydrogen have 2 protons?

Back

No, because protons identify the atom.

Front

Who stated that all matter is made up of atoms?

Back

Dalton.

Front

What is the difference between heterogeneous and homogeneous mixtures?

Back

Heterogeneous mixtures have distinct components, while homogeneous mixtures are uniform in composition.

Front

Define a solute.

Back

A solute is a substance that is dissolved in a solvent to form a solution.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, resulting in a solution.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.