Periodic Table Basics

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

How many valence electrons do group 1 elements have?

Back

1

Front

What is a group in the periodic table?

Back

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

Front

How many energy shells does Iron (Fe) have?

Back

4

Front

What is a period in the periodic table?

Back

A period is a horizontal row in the periodic table that indicates the number of energy shells an atom has.

Front

What element is in group 1 period 1?

Back

Hydrogen

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What do elements in the same group have in common?

Back

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

Front

What is the atomic number of an element?

Back

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

Front

What is the difference between metals and nonmetals in the periodic table?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are usually dull, insulative, and brittle.