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Science Def Ch 7

ATOMS AND MOLECULES

QuestionAnswer
CHEMISTRY THE STUDY OF MATTER
ATOM THE SMALLEST PIECE OF AN ELEMENT
ELEMENT A SUBSTANCE THAT CONTAINS ONLY ONE KIND OF ATOM
NUCLEUS THE CENTER SECTION OF AN ATOM, MADE UP OF PROTONS
PROTON A POSITIVELY CHARGED PARTICLE OF AN ATOM, IN THE NUCLEUS OF THE ATOM
NEUTRON A PART OF THE NUCLEUS OF THE ATOM THAT HAS NO CHARGE
ATOMIC MASS THE APPROXIMATE NUMBER OF PROTONS AND NEUTRONS IN AN ATOM
ELECTRON A NEGATIVELY CHARGED PARTICLE OF AN ATOM WITH AN EXTREMELY SMALL MASS, TRAVELS AROUND THE NUCLEUS.
SHELL AN AVERAGE DISTANCE AWAY FROM A NUCLEUS AT WHICH ELECTRONS CAN TRAVEL AROUND THE NUCLEUS ABLE TO HOLD A CERTAIN NUMBER OF ELECTRONS DEPENDING ON ITS DISTANCE FROM THE NUCLEUS
ATOMIC NUMBER THE NUMBER OF PROTONS IN THE NUCLEUS OF THE ATOM
ATOMIC THEORY WHAT SCIENTISTS THINK ABOUT ATOMS
PARTICLE ACCELERATOR SPECIAL MACHINES SCIENTIST USE TO SMASH ATOMS
CHEMICAL SYMBOLS ABBREVIATIONS FOR THE NAMES OF ELEMENTS
PERIOD HORIZONTAL ROW OF THE PERIODIC TABLE
GROUP VERTICAL COLUMN OF THE PERIODIC TABLE
CATAGORIES FAMILY) CLASSIFICATION OF ELEMENTS BY SIMILIAR CHEMICAL PROPERTIES AND SIMILIAR REACTIONS TO OTHER ELEMENTS
PERIODIC TABLE OF ELEMENTS GROUPING OF ELEMENTS INTO ROWS AND COLUMNS BASED UPON THEIR CHEMICAL AND PHYSICAL PROPERTIES
Created by: lucybelle