Periodic Table

Front

What is a proton?

Back

A proton is a positively charged particle found in the nucleus of an atom.

Front

What is a neutron?

Back

A neutron is a particle found in the nucleus of an atom that has no electrical charge.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

What is an electron?

Back

An electron is a negatively charged particle that orbits around the nucleus of an atom.

Front

What is the atomic number?

Back

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

Front

What is an element?

Back

An element is a pure substance made of only one type of atom.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

What is the periodic table?

Back

The periodic table is a chart that organizes all known elements by their atomic number and properties.

Front

What is a compound?

Back

A compound is a substance formed when two or more different types of atoms bond together.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.