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book Microbiology: A Human Perspective 7th Edition by Eugene Nester,Martha Nester,Denise Anderson, Evans Roberts cover

Microbiology: A Human Perspective 7th Edition by Eugene Nester,Martha Nester,Denise Anderson, Evans Roberts

Edition 7ISBN: 978-0077573645
book Microbiology: A Human Perspective 7th Edition by Eugene Nester,Martha Nester,Denise Anderson, Evans Roberts cover

Microbiology: A Human Perspective 7th Edition by Eugene Nester,Martha Nester,Denise Anderson, Evans Roberts

Edition 7ISBN: 978-0077573645
Exercise 3
The basic unit of all matter, the atom, is composed of protons, electrons, and neutrons. The four most important elements in biology are carbon, hydrogen, oxygen, and nitrogen. In diagrams, atoms can be shown as a cloud structure, symbol designation, or Lewis structure.
Why is the energy level of an electron higher the farther it is from the nucleus?
Explanation
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An atom has electrons, negatively charge...

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Microbiology: A Human Perspective 7th Edition by Eugene Nester,Martha Nester,Denise Anderson, Evans Roberts
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