Elements and Compounds

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements chemically bond together in fixed proportions.

Front

What is the chemical symbol for Carbon?

Back

C

Front

What is the chemical formula for table salt?

Back

NaCl

Front

What is the chemical formula for glucose?

Back

C6H12O6

Front

What is the chemical formula for water?

Back

H2O

Front

What does the subscript in a chemical formula indicate?

Back

The subscript indicates the number of atoms of the element in the molecule.

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

What is the chemical formula for nitrogen gas?

Back

N2

Front

What is the chemical formula for oxygen gas?

Back

O2