Casal Aveda Institute Chapter 7
Chemistry
INORGANIC CHEMISTRY ans- THE TYPE OF CHEMISTRY THAT DEALS WITH
MATTER THAT WAS NEVER LIVING AND DOES NOT CONTAIN CARBON IS
CALLED:
MATTER ans- ANYTHING THAT OCCUPIES SPACE IS CALLED:
-MATTER
-ENERGY
-CHEMISTRY
-COMBUSTION
THEY HAVE DEFINITE SHAPE ans- ALL OF THE FOLLOWING STATEMENTS ARE
TRUE ABOUT LIGUIDS EXCEPT:
-THEY HAVE DEFINITE SHAPE
-THEY HAVE DEFINITE WEIGHT
-THEY HAVE DEFINITE VOLUME
-THEY TAKE THE SHAPE OF THE CONTAINER IN WHICH THEY ARE POURED
GASES ans- MATTER WITH DEFINITE WEIGHT, BUT INDEFINITE VOLUME AND
SHAPE ARE:
-SOLIDS
-GASES
-LIQUIDS
-COMPOUNDS
CHEMICAL CHANGE ans- A CHANGE IN A SUBSTANCE THAT CREATES A NEW
SUBSTANCE WITH DIFFERENT MATERIAL CHARACTERISTICS FROM THOSE OF
THE ORIGINAL SUBSTANCE IS A:
, A NEW SUBSTANCE POSSESSING DIFFERENT MATERIAL COMPOSITION IS
CREATED ans- ALL OF THE FOLLOWING STATEMENTS ARE TRUE ABOUT
PHYSICAL CHANGES EXCEPT:
-A CHEMICAL STRUCTURE DOES NOT CHANGE
-CHANGES ALWAYS INVOLVE EITHER THE GAIN OR LOSS OF ENERGY
-A NEW SUBSTANCE POSSESSING DIFFERENT MATERIAL COMPOSITION IS
CREATED
-FREEZING WATER TO FORM ICE CUBES IS AN EXAMPLE OF A PHYSICAL
CHANGE
PERIODIC LAW ans- THE UNIFYING CONCEPT USED TO ORGANIZE ELEMENTS
AND THEIR SIMILARITIES IS CALLED THE:
-PERIODIC LAW
-FREE ELECTRON
-ATOMIC NUMBER
-MOLECULAR WEIGHT
THE UNIFYING CONCEPT USED TO ORGANIZE ELEMENTS IS CALLED
SCIENTIFIC SHORTHAND ans- ALL OF THE FOLLOWING STATEMENTS ABOUT
THE PERIOD TABLE OF CHEMICAL ELEMENTS ARE TRUE EXCEPT:
-THERE ARE 9.2 NATURALLY OCCURING ELEMENTS
-THE ATOMIC NUMBER IS THE PRIMARY BASIS FOR ORGANIZATION
-DMITRI MENDELEEV AND LOTHAR MEYER FOUND WAYS OF ARRANGING
ELEMENTS
-THE UNIFYING CONCEPT USED TO ORGANIZE ELEMENTS IS CALLED THE
SCIENTIFIC SHORTHAND
OXYGEN ans- WHICH OF THE FOLLOWING IS THE MOST ABUNDANT ELEMENT
IN THE EARTH'S CRUST
-CARBON
-OXYGEN
-NITROGEN
-HYDROGEN
PROTONS ans- WHICH OF THE FOLLOWING HAVE A POSITIVE ELECTRICAL
CHARGE AND IDENTIFY THE ATOM
-IONS
-PROTONS
-NEUTRONS
-ELECTRONS
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