September 2012
Beginner
208 pages
4h 32m
English
Content preview from Wonderful Life with the Elements
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032
NEUTRON
ELECTRON
PROTON
ATOM
ELEMENTARY PARTICLE NAMES
PROTON NEUTRON NUCLEUS
Atomic names are used to classify the basic elements.
Atoms are made up of a nucleus and orbiting electrons. The nucleus
consists of two kinds of particles called protons and neutrons.
Protons and electrons are electrically charged; protons are positive and
electrons are negative. An atom in its most basic form is electrically bal-
anced, which means that there is an equal number of protons and electrons.
If additional electrons are added or removed, we say that the atom becomes
ionized, and it is consequently called an ion.
The electrons orbiting the nucleus move very f ...
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