The Periodic Table

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals, found along the stair-step line on the periodic table.

Front

Which elements are considered nonmetals?

Back

Elements that are typically poor conductors of heat and electricity, found on the right side of the periodic table.

Front

What are alkali metals?

Back

The group of highly reactive metals found in Group 1 of the periodic table, including lithium, sodium, and potassium.

Front

What is the significance of the stair-step line on the periodic table?

Back

It separates metals from nonmetals and indicates the location of metalloids.

Front

What is the last naturally occurring element on the periodic table?

Back

Uranium (U), which has the atomic number 92.

Front

What is the name and symbol of the alkali metal in period 3?

Back

Sodium (Na).

Front

What are noble gases?

Back

Group 18 elements that are colorless, odorless, and inert, including helium, neon, and argon.

Front

What are transition metals?

Back

Elements found in Groups 3-12 of the periodic table, known for their ability to form various oxidation states.

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 an atom?

Back

The smallest unit of an element, consisting of protons, neutrons, and electrons.