Periodic Table Basics

Front

What does the term 'period' refer to in the periodic table?

Back

The 'period' indicates the number of energy shells an element has.

Front

How many valence electrons do elements in Group 14 have?

Back

Elements in Group 14 have 4 valence electrons.

Front

Which period does the element Iodine (I) belong to?

Back

Iodine belongs to Period 5.

Front

How many valence electrons does Aluminum (Al) have?

Back

Aluminum has 3 valence electrons.

Front

How many energy shells does Iron (Fe) have?

Back

Iron has 4 energy shells.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is a group in the periodic table?

Back

A group is a column in the periodic table that contains elements with similar chemical properties.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an element reacts chemically with other elements.

Front

How can you determine the number of energy shells an element has?

Back

The number of energy shells is indicated by the period number of the element in the periodic table.

Front

What are transition metals?

Back

Transition metals are elements found in groups 3-12 of the periodic table, known for their ability to form variable oxidation states.