Periodic Table

Front

What is a chemical symbol?

Back

One or two letters that represent the name of an element.

Front

What is the charge of an electron?

Back

A negatively charged subatomic particle that orbits the nucleus of an atom.

Front

What does the period number indicate on the Periodic Table?

Back

The period number indicates the row in which an element is located.

Front

What is the chemical symbol for iron?

Back

Fe

Front

Which element is the most reactive?

Back

Fluorine is the most reactive element.

Front

What is an atomic number?

Back

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

Front

What is an atomic mass?

Back

The weighted average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What are groups in the Periodic Table?

Back

Columns in the Periodic Table that contain elements with similar chemical properties.

Front

What is a proton?

Back

A positively charged subatomic particle found in the nucleus of an atom.

Front

What is a neutron?

Back

A neutral subatomic particle found in the nucleus of an atom.