Elements Vs Compounds

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances and is made up of only one kind of atom.

Front

What is a compound?

Back

A compound is a pure substance formed when two or more elements are chemically combined in a fixed ratio.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined and can be separated by physical means.

Front

Can elements be broken down into simpler substances?

Back

No, elements cannot be broken down into simpler substances.

Front

What is the smallest unit of an element?

Back

The smallest unit of an element is an atom.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H₂O, which is a compound.

Front

What is the chemical formula for table salt?

Back

The chemical formula for table salt is NaCl, which is a compound.

Front

What is the difference between an element and a compound?

Back

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

Front

Give an example of an element.

Back

An example of an element is Hydrogen (H) or Oxygen (O).

Front

Give an example of a compound.

Back

An example of a compound is Carbon Dioxide (CO₂) or Sodium Chloride (NaCl).