Front

Is Lithium (Li) a metal, nonmetal, or metalloid?

Back

Lithium (Li) is a metal.

Front

Oxygen is in the 16th group so it has _________ valence electrons.

Back

Oxygen has 6 valence electrons.

Front

The Periodic Table of Elements consists of multiple __________ within the elements.

Back

The Periodic Table consists of patterns.

Front

Potassium is in the 4th PERIOD so it has _______ orbitals.

Back

Potassium has 4 orbitals.

Front

The Periodic Table of Elements is a list of over __________ elements, organized by their properties and compositions.

Back

The Periodic Table contains over 100 elements.

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 are groups in the Periodic Table?

Back

Groups are vertical columns in the Periodic Table that contain elements with similar chemical properties.

Front

What are periods in the Periodic Table?

Back

Periods are horizontal rows in the Periodic Table that indicate the number of electron shells in the elements.

Front

What is a metalloid?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

What is the significance of the Periodic Law?

Back

The Periodic Law states that the properties of elements are a periodic function of their atomic numbers.