Honors Bio Vocab 2A
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Created by:
landersonbiology on June 21, 2011
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Unit 2A Honors Biology Biochemistry Vocabulary
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15 terms
Terms | Definitions |
|---|---|
MASS | THE QUANTITY OR AMOUNT OF MATTER |
MATTER | ANYTHING THAT OCCUPIES SPACE AND HAS MASS (SOLID, LIQUID, GAS) |
ELEMENT | PURE SUBSTANCES THAT CANNOT BE BROKEN DOWN CHEMICALLY INTO SIMPLER KIND OF MATTER |
ATOM | THE SIMPLEST PART OF AN ELEMENT THAT RETAINS ALL OF THE PROPERTIES |
ATOMIC NUCLEUS | CENTRAL OR CENTER PART OF AN ATOM |
PROTON | PARTICLE IN AN ATOM THAT HAS A POSITIVE CHARGE AND IS FOUND IN THE CENTER |
NEUTRON | PARTICLE OF AN ATOM THAT HAS NO CHARGE AND IS FOUND IN THE CENTER |
ELECTRON | PARTICLE OF AN ATOM THAT HAS A NEGATIVE CHARGE AND IS CONSTANTLY ORBITING THE CENTER |
ATOMIC NUMBER | THIS # REPRESENTS THE TOTAL NUMBER OF PROTONS |
MASS NUMBER | THIS # REPRESENTS THE TOTAL NUMBER OF PROTONS AND NEUTRONS |
ORBITAL | 3-D REGION AROUND A NUCLEUS WHERE ELECTRONS CAN BE FOUND |
ISOTOPE | ATOMS THAT HAVE THE SAME AMOUNT OF PROTONS BUT DIFFERENT AMOUNTS OF NEUTRONS |
COMPOUND | SUBSTANCES THAT ARE MADE UP OF TWO OR MORE ELEMENTS |
MOLECULE | SIMPLEST PART OF A SUBSTANCE THAT RETAIN THE PROPERTIES OF THAT SUBSTANCE |
CHEMICAL BOND | ATTRACTIVE FORCES THAT HOLD ATOMS TOGETHER |
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