The periodic table
The periodic table is one of the most important tools in chemistry, providing a systematic and organized way of understanding the elements and their properties. It arranges all the known elements based on their...
Category: Chemistry
Chemistry begins in the stars. The stars are the source of the chemical elements, which are the building blocks of matter and the core of our subject.
~PETER ATKINS
What is an Atom
Atoms are the smallest units of matter that retain the properties of an element. They consist of three basic components: protons, neutrons, and electrons. Protons are positively charged particles that are found in the...
Matter, Atoms, and the Elements of the Periodic table
Matter As we look around, we see a large variety of things with different shapes, sizes, and textures. The air we breathe, the food we eat, stones, clouds, stars, plants and animals, even a...
ATOMS AND MOLECULES
Summary of atoms and molecules Summary The ancient philosophers have tried to understand the form of matter. Around 500 BC it was the Indian philosopher maharishi Canada who postulated that if we keep dividing...
The Periodic Table
One of the great triumphs of 20th Century astrophysics, was tracing the elements of your body, of all the elements around us, to the actions of stars—that crucible in the centers of stars that...
