Periodic Table Review

Front

What is the periodic table?

Back

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

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 indicate the number of electron shells in the elements.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties and reactivity.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

Which group contains noble gases?

Back

Group 18 of the periodic table.

Front

What is the significance of the atomic number?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are usually dull, insulative, and brittle.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the role of neutrons in an atom?

Back

Neutrons contribute to the atomic mass and stabilize the nucleus but do not affect the chemical properties.

Tags

NGSS.HS-PS1-8

Front

What is the most abundant element in the universe?

Back

Hydrogen (H).

Tags

NGSS.MS-PS1-1