Periodic Table

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals; they are typically solids and can conduct electricity under certain conditions.

Front

What are the vertical columns on the periodic table called?

Back

Groups.

Front

Which group of elements are the most reactive metals?

Back

Group 1 (Alkali metals).

Front

What are the horizontal rows on the periodic table called?

Back

Periods.

Front

What is a Bohr Model?

Back

Simple diagrams that show the atomic structure of an atom.

Tags

NGSS.MS-PS1-1

Front

What are the main categories of elements in the periodic table?

Back

Metals, Nonmetals, and Metalloids.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom and determines the element's identity.

Front

What are noble gases?

Back

Group 18 elements that are colorless, odorless, and extremely unreactive due to having a full valence shell.

Tags

NGSS.HS-PS1-2

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.

Tags

NGSS.HS-PS1-1

Front

What are alkali metals?

Back

Group 1 elements that are highly reactive, especially with water, and have one electron in their outermost shell.