Chemistry is the scientific study of interaction of chemical substances that are constituted of atoms or the subatomic components that make up atoms: protons, electrons and neutrons. Atoms combine to produce molecules or crystals. Chemistry can be called "the central science" because it connects the other natural sciences, such as astronomy, ph...
Atomic theory states that all matter is composed out of extremely small particles called atoms.
Acc. to John Dalton's Theory, every element is made up of a unique type of small particles called atoms, and atom can neither be created, destroyed, nor subdivided.
I remember when I was a kid, as I tended the wood stove to warm the house I would rummage through my old Nintendo Power magazines looking for colo...
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H - Hydrogen He - Helium Li - Lithium Be - Beryllium B - Boron C - Carbon N - Nitrogen O - Oxygen F - Fluorine Ne - Neon
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Click on the picture to get the javascript driven periodic table!
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In this lesson we'll learn about discovery of the electron through experimentation with cathode ray tubes.
This lesson deals with discoveries of isotopes, protons, neutrons, and atomic pretzels.
This lesson summarizes experiments of Milikan, Goldstein and Rutherford (Father of nuclear physics).
Here we'll learn Neil Bohr's Atomic Model Theory acc. to which, electrons don't just orbit the nucleus. They surround the nucleus in specific distances and this distance is proportional to their energy.
When I learn something new - and it happens every day - I feel a little more at home in this universe, a little more comfortable in the nest.
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