Chemistry Basics

Front

What does the ATOMIC MASS tell us about an atom?

Back

Atomic mass is the total number of protons and neutrons in an atom's nucleus.

Front

What is the study of the composition, structure, and properties of MATTER?

Back

Chemistry is the branch of science that studies the composition, structure, and properties of matter.

Front

What is the Half Life of an isotope?

Back

The Half Life is the time required for half of the isotope in a sample to decay.

Front

Neutrons have what charge?

Back

Neutrons have no charge; they are neutral.

Front

The nucleus of an atom is made up of...

Back

The nucleus is made up of protons and neutrons.

Front

What are Protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are Electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is an Isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the difference between an Element and a Compound?

Back

An element is a pure substance made of only one type of atom, while a compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that mass is neither created nor destroyed in a chemical reaction.