Elements and Compounds

Front

What is a compound?

Back

A compound is a substance that consists of atoms of two or more different elements bonded together.

Front

What is an element?

Back

An element is a pure substance that contains only one kind of atom.

Front

What does the Periodic Table of the Elements do?

Back

The Periodic Table organizes all the elements and shows their symbols and atomic weights.

Front

Can a compound be separated by physical means?

Back

No, a compound cannot be separated by physical means; it requires chemical reactions to break it down.

Front

What is an example of an element?

Back

Iron (Fe) is an example of an element.

Front

What is an example of a compound?

Back

Water (H2O) is an example of a compound.

Front

How are elements represented in the Periodic Table?

Back

Elements are represented by their chemical symbols, such as H for Hydrogen and O for Oxygen.

Front

What is the difference between an element and a compound?

Back

An element consists of only one type of atom, while a compound consists of two or more different types of atoms bonded together.

Front

What happens to the properties of elements when they form a compound?

Back

The properties of the compound are different from the properties of the individual elements that make it up.

Front

Can elements be broken down into simpler substances?

Back

No, elements cannot be broken down into simpler substances by ordinary chemical means.