Periodic Table (Formative Assessment)

Front

What does the atomic number represent in the Periodic Table?

Back

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

Front

What is a neutron?

Back

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

Front

What is a period in the context of the Periodic Table?

Back

A period is a horizontal row on the Periodic Table of Elements.

Front

Where is most of the mass of an atom found?

Back

Most of the mass of an atom is found in its nucleus.

Front

What is the charge of an electron?

Back

An electron has a negative electrical charge.

Front

What is the role of protons in an atom?

Back

Protons determine the atomic number and identity of an element.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

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 are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is an ion?

Back

An ion is an atom or molecule that has gained or lost one or more electrons, resulting in a net electrical charge.