An atom is the smallest constituent unit of ordinary matter that has the properties
of a chemical element. Every solid, liquid, gas, and plasma is composed of ...
An answer to the question: What is an atom? What are atoms made ... Atoms are
composed of particles called protons, electrons and neutrons. Protons carry a ...
An atom a fundamental piece of matter. (Matter is anything that can be touched
physically.) Everything in the universe (except energy) is made of matter, and, so,
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Nov 13, 2012 ... Science expert Emerald Robinson explains what an atom is. To view over 15000
other how-to, DIY, and advice videos on any topic, visit ...
Jun 5, 2013 ... Atoms are the basic units of matter. They are made up of three particles: protons,
neutrons and electrons. Definition of an atom, nucleus, proton, ...
Mar 25, 2015 ... After watching this video, you will be able to explain what an atom is, how it is
structured, what they are made from, and give some examples of.
Atoms are building blocks. If you want to create a language, you'll need an
alphabet. If you want to build molecules, you will need atoms of different
Dec 15, 2015 ... Thanks to centuries of ongoing research, modern scientists have a very good
understanding of how atoms work and what their individual parts ...
Apr 6, 2016 ... An easy-to-understand introduction to atoms, molecules, elements, compounds,
ions, and isotopes.
Ernest Rutherford's original atomic model is now understood to be inaccurate, but
it retains its meaning as an icon today. The nucleus consisting of protons and ...