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 does the atomic number represent?

Back

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

Front

What are alkaline earth metals?

Back

The elements in group 2 of the periodic table, which include Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba), and Radium (Ra).

Front

What color represents noble gases on the periodic table?

Back

Black.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals, typically found along the zig-zag line on the periodic table.

Front

Which element is in group 2, period 7?

Back

Radium (Ra).

Front

What is the chemical symbol for Radon?

Back

Rn.

Front

What is the atomic mass?

Back

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

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 the significance of the rows in the periodic table?

Back

Each row, or period, indicates the number of electron shells an atom has.