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V0cAbio

HBiology(Chemistry)

Question/TermAnswer
Atom? SMALLEST UNIT of an ELEMENT that RETAINS the PHYSICAL properties of the element
Protons? POSITIVE charge Located in NUCLEUS Part of MASS
Neutrons? Neutral charge Located in NUCLEUS Part of MASS
Electrons? Negative charge Virtually WEIGHTLESS Located OUTSIDE nucleus in ORBIT
If not an Ion, an Atom is... NEUTRAL(same num of protons+ and electrons-)
Molecule? TWO or more ELEMENTS(same or different)
Compound? TWO or more DIFFERENT Combined ELEMENTS, take on NEW CHARACTERISTICS
How do Atoms combine? SHARING or TRANSFERRING Electrons
Ion? Results when an Electron(s) is GAINED or LOST
Cation? Ion with a POSITIVE+ charge(t in Cat is +)
Anion? Ion with a NEGATIVE- charge(n in An is n for neg-)
What percentage of the human body is water? 70%
Properties of water... Liquid at room temp Good temp buffer(slow to heat/cool) Molecules are Cohesive
Created by: spanish09
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