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Honors Bio Vocab 2A

Unit 2A Honors Biology Biochemistry Vocabulary
STUDY
PLAY
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