Periodic Table

Front

What is the Periodic Table?

Back

A chart that organizes all known chemical elements based on their atomic number, electron configuration, and recurring chemical properties.

Tags

NGSS.HS-PS1-1

Front

What are groups in the Periodic Table?

Back

Vertical columns in the Periodic Table that group elements with similar chemical properties.

Front

What are periods in the Periodic Table?

Back

Horizontal rows in the Periodic Table that represent elements with the same number of electron shells.

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 a chemical symbol?

Back

A one or two-letter abbreviation used to represent a chemical element.

Front

What is the significance of the element's position in the Periodic Table?

Back

The position indicates the element's properties, reactivity, and its relationship with other elements.

Front

What are metals?

Back

Elements that are typically shiny, good conductors of heat and electricity, and malleable.

Front

What are nonmetals?

Back

Elements that are usually dull, poor conductors of heat and electricity, and brittle.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the role of valence electrons?

Back

Valence electrons determine how an element reacts chemically with other elements.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5