Periodic Table of Elements

Front

What is the chemical symbol for Gold?

Back

Au

Front

What is the electron configuration ending for alkali metals?

Back

ns¹

Front

How many protons does a Nitrogen atom have?

Back

7

Front

What is the chemical symbol for Sulfur?

Back

S

Front

What is the chemical symbol for Mercury?

Back

Hg

Front

What are the first two rows of the Periodic Table called?

Back

The first two rows are called the 's-block' 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 noble gases?

Back

Noble gases are elements in Group 18 of the Periodic Table that are mostly unreactive.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of 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.