Celebrated annually on October 23 from 6:02 a.m. to 6:02 p.m., Mole Day commemorates "Avogadro's Number": 6.02 x 10 23. This number--called a mole--is a basic measuring unit in chemistry. Mole Day ...

It doesn't dig underground and it's not above Cindy Crawford's lip. But the mole -- a fundamental unit in chemistry -- is the guest of honor today at 5,000 schools across the country. A mole is the ...

Contrary to what some may think, Mole Day is not about the small animals known as moles. Instead, it revolves around a scientific unit of measurement called the "mole," which represents an amount of a ...

The Concepts in Chemistry lecture books were designed with students and instructors in mind. The Concepts in Chemistry lecture books are concise and focused. They are meant to be used both in and out ...

Fundamental principles and concepts of chemistry, including stoichiometry; thermochemistry; atomic and molecular structure; solution chemistry, including acid-base chemistry; quantum theory; bonding ...

Chemists use symbols and formulae to represent elements, ions and compounds. Word equations and balanced chemical equations model the changes that happen in chemical reactions. Hazards and risks - ...