Periodic Table Basics Review

Front

What are the particles in the nucleus of an atom that do not have a charge?

Back

Neutrons are the particles in the nucleus of an atom that do not have a charge.

Front

In which group is Beryllium located on the periodic table?

Back

Beryllium is located in Group 2 on the periodic table.

Front

Which group on the periodic table is made up of only gases?

Back

Group 18 (Noble gases) is made up of only gases.

Front

What is the atomic mass of an element?

Back

The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu). For example, the atomic mass of Copper is approximately 63.546 amu.

Front

What two types of measurements make up density?

Back

Density is defined as mass divided by volume, so it is made up of mass and volume.

Front

What is the definition of an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What are the three main subatomic particles?

Back

The three main subatomic particles are protons, neutrons, and electrons.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements chemically bond together.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.