Atomic Theory and Periodic Table Vocab

Front

What is the nucleus of an atom?

Back

The central part of an atom containing protons and neutrons.

Front

What does it mean for an atom to have a neutral charge?

Back

A charge with equal numbers of protons and electrons.

Front

What is an element symbol?

Back

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

Front

What is a negative charge?

Back

A charge with more electrons than protons.

Front

What is atomic number?

Back

The number of protons in an atom's nucleus.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by atomic number.

Front

What is an ion?

Back

An atom or molecule that has gained or lost one or more electrons, resulting in a charge.