The Periodic Table

Front

What is the Periodic Table?

Back

A tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means, consisting of atoms with the same number of protons.

Front

What is the atomic number?

Back

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

Front

What is atomic mass?

Back

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

Front

What are metalloids?

Back

Elements found along the 'staircase' on the periodic table that have properties of both metals and non-metals.

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Tags

NGSS.HS-PS1-8

Front

What is a chemical symbol?

Back

A one or two-letter abbreviation used to represent an element on the periodic table.

Front

What are transition metals?

Back

Elements found in groups 3-12 of the periodic table, known for their ability to form variable oxidation states and colored compounds.

Front

What is a non-metal?

Back

Elements that are typically poor conductors of heat and electricity, and are not malleable or ductile.

Front

What is a metal?

Back

Elements that are good conductors of heat and electricity, malleable, ductile, and typically have a shiny appearance.