Atoms Vocab Crossword

THE NEGATIVELY CHARGED PARTICLE IN THE ELECTRON CLOUD
A PARTICLE IN THE NUCLEUS WITH A POSITIVE CHARGE
A PARTICLE IN THE NUCLEUS WITH A NEUTRAL CHARGE
THE TINY, DENSE, POSITIVELY CHARGED REGION IN THE CENTER OF THE ATOM
PARTICLES, LIKE PROTONS, NEUTRONS, AND ELECTRONS, THAT ARE SMALLER THAN THE ATOM
REGIONS INSIDE THE ATOM WHERE ELECTRONS ARE LIKELY TO BE FOUND
THE NUMBER OF THE PROTONS IN THE ELEMENT
THE AVERAGE OF THE MASSES OF THE NATURALLY OCCURRING ISOTOPES IN AN ELEMENT
THE ARRANGEMENT OF ELEMENTS ON A TABLE BASED ON THEIR ATOMIC NUMBER
A COLUMN ON THE PERIODIC TABLE, ALSO CALLED A FAMILY, CONTAINING ELEMENTS WITH THE SAME NUMBER OF VALENCE ELECTRONS
A HORIZONTAL ROW ON THE PERIODIC TABLE
ONE OF A HUNDRED OR SO PURE SUBSTANCES THAT CANNOT BE BROKEN DOWN INTO SIMPLER SUBSTANCES
AN ABBREVIATED, ONE OR TWO LETTER SYMBOL, USED TO WRITE AN ELEMENTS NAME, BEGINNING WITH A CAPITAL LETTER
THE GREEK SCIENTIST WHO NAMED THE ATOM "ATOMAS" MEANING INDIVISIBLE
THE SCIENTIST WHO THEORIZED THAT ELECTRONS ORBIT THE NUCLEUS OF THE ATOM LIKE PLANETS
THE SCIENTIST WHO WORKED WITH THOMSON AND ADDED THE NUCLEUS TO THE MODERN MODEL OF THE ATOM
THE SCIENTIST WHO STARTED THE MODERN ATOMIC THEORY & CONFIRMED DEMOCRITUS' MODEL OF THE INDIVISIBLE ATOM
THE SCIENTIST WHO DISCOVERED ELECTRONS, USING CATHODE RAY TUBE EXPERIMENT