Anatomy and Physiology Test 1 Study Cards Chapter 2 Flashcard

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Cards In This Set

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Why should Chemistry be studied in A+P class?
Body functions depend on Cellular functions.
Anything that takes up space and has weight; composed of elements.
Matter
Composed of chemically identical atoms
Elements
These type of elements are required by the body in large amounts.
Bulk elements
These type of elements are required by the body in small amounts.
Trace elements
These types of elements are toxic to the body in large amounts
Ultratrace elements
Smallest particle of an element
Atoms
Part of an atom that carries a single positive charge
Proton
Part of an atom that carries no electrical charge
Neutron
Part of an atom that carries a single negative charge. They revolve around the nucleus.
Electron
Term for the number of protons n the nucleus of one atom and equals the number of electrons in the atom.
Atomic Number
The number of protons plus the number of neutrons of the atom.
Atomic Weight
Is it a different element if the number of protons change?
Yes
Is it a different element if the number of neutrons change?
No, but it becomes an isotope.
How do you find the neutron number?
Atomic weight minus the atomic number.