if ebook is eligible to load, you can Load this book to friend from the product detail page of a book you purchased on Amazon. 1  Visit the Kindle Store. 2  On the product detail page, click Loan this book. 3  You will be sent to the Loan this book page.
From Yahoo Answers. Question: The mole concept is important in chemistry because 1. atoms and molecules are very small and themole concept allows us to count atoms and molecules by weighing macroscopic amounts of material. 2. it establishes a standard for reaction stoi-chiometry. 3. it explains the properties of gases.
Biological Importance Of Carbon. Carbon forms the backbone of biology for all of life on Earth. Complex molecules are made up of carbon bonded with other elements, especially oxygen, hydrogen and nitrogen, and carbon is able to bond with all of these because of its four valence electrons. Carbon is abundant on earth. It is also light weight and the atom is relatively small in size, making it easier for enzymes to manipulate carbon molecules.