Periodic Table

Front

What is a neutron?

Back

A subatomic particle contained in the nucleus of an atom, having the same mass as a proton but no electrical charge.

Front

What type of element is the periodic table mostly comprised of?

Back

Metals.

Front

How many protons does the element with atomic number 7 have?

Back

7 protons.

Front

What is a family in the context of the periodic table?

Back

A grouping of elements based on similar properties, arranged by columns in the periodic table.

Front

How is the Modern Periodic Table of Elements arranged?

Back

By atomic number.

Front

What is an atomic number?

Back

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

Front

What are metalloids?

Back

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

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic structure and properties, allowing for predictions about their behavior.

Front

What is a period in the periodic table?

Back

A horizontal row of elements in the periodic table, indicating the number of electron shells.

Front

What are valence electrons?

Back

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