Periodic Table of Elements

Front

What are the elements located along the staircase on the periodic table called?

Back

Metalloids

Front

What is the chemical symbol for Aluminum?

Back

Al

Front

How is the Modern Periodic Table of Elements arranged?

Back

By atomic number

Front

What is the chemical symbol for Chlorine?

Back

Cl

Front

What is the chemical symbol for Nitrogen?

Back

N

Front

What are the three main categories of elements in the periodic table?

Back

Metals, Nonmetals, and Metalloids

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic law?

Back

It states that the properties of elements are a periodic function of their atomic numbers.

Front

What are alkali metals?

Back

The group of elements in Group 1 of the periodic table, known for being highly reactive.

Front

What are noble gases?

Back

Elements in Group 18 of the periodic table, known for their lack of reactivity.