Med Imaging Exam 2
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29 Terms
What is the Greek translation of Atom?
Indivisible
Niels Bohr’s theory
Atoms have 3 fundamental particles: Protons, neutrons, electrons
What is the nucleus composed of?
Protons and neutrons comprised of Quarks bonded by Gluons
The nucleus is made up of..
Protons and Neutrons
Orbiting the nucleus are electrons in defined..
Energy levels and distances from that nucleus
What is the term for electron orbiting levels?
Shells
What is a characteristic of matter?
Electrical charge
If an atom has an equal number of protons and electrons, it has..
No net charge
If the negative charges outweight the positive, the atom is a..
Negative ion
If the positive charges outweigh the negatives, the atom is a..
Positive ion
What holds electrons in their orbit?
Electron binding energy
What is the force that holds the nucleus together?
Nuclear binding energy