Periodic Table

Front

What is the Periodic Table?

Back

A tabular arrangement of chemical elements, organized by increasing atomic number, where elements with similar properties are grouped together.

Front

What does the atomic number represent?

Back

The number of protons in the nucleus of an atom.

Front

Which element is found in group 14 period 2?

Back

Carbon (C)

Front

Which element is found in group 16 period 3?

Back

Sulfur (S)

Front

Which element is found in group 2 period 4?

Back

Calcium (Ca)

Front

What is the significance of groups in the Periodic Table?

Back

Elements in the same group have similar chemical properties and the same number of valence electrons.

Front

What is the significance of periods in the Periodic Table?

Back

Elements in the same period have the same number of electron shells.

Front

What is Beryllium's group number?

Back

Group 2

Front

What are valence electrons?

Back

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

Front

What is an element?

Back

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