khillchemistryexam Word Scramble
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Question | Answer |
study of the composition and structure of materials undergo best describes the science of | chemistry |
the branch of chemistry that includes the study of materials and processes that occur in living things is | biochemistry |
the branch of chemisry that is concerned with the identification and compensation of materials is | analytical chemistry |
the study of substances containing carbon is | organic chemistry |
the branch of chemisry that is concerned with the properties, changes, and relationships between energy and matter is | physical chemistry |
technology is the | application of scientific knowledge to solve problems |
basic research is | carried out for the sake of increasing knowledge |
applied resaerch is | carried out to solve a problem |
a physical property may be investicated by | melting ice |
chemical properties | include changes that alter the identity of a substance |
two features that distinguish matter are | mass and volume |
quantitative observations are recorded using | non-numerical information |
the symbol for the metric unit to measure mass is called | grams |
the unit m3 measures | volume |
the symbol for the metric unit to measure volume is called | mL |
the SI bases unit for time is the | second |
how many minutes are in one week? | 10,080 min |
the # or significant fiqures in the measurement 0.000305 kg is | 3 |
the # or significant fiqures in the measurement0.00320 | 3 |
what is the atomic # for aluminum | 13 |
an atom of K has 19 protons and 20 neutrons. what is its mass #? | 39 |
nickel-60 has how many neutrons? | 32 |
PHOSPHORUS-33 CONTAINS HOW MANY NEUTRONS? | 18 |
WHAT DOES THE 218 IN PLOYNOMIUM-218 REPRESENT? | MASS # |
A NUCLEOTIDE IS IDENTIFYED BY | # PROTONS AND NEUTRONS IN ITS NECLEUS |
WHAT UNIT MEASURES RADIATION? | ROENTGEN |
WHAT IS THE ATOMIC # FOR TUNGSTEN? | 74 |
WHO CALLED THE ATOM AN ATOM? | DEMOCRITUS |
HOW MANY SIGNIFICANT DIGITS IN 0.0050 m? | 2 |
THE DISTANCE BETWEEN TWO SUCCESSIVE PEAKS ON A WAVE IS ITS | WAVELENGTH |
THE ATOMIC SUBLEVEL WITH THE NEXT HIGHEST ENERGY AFTER 4P IS | 5S |
THE # OF ORBITAL IN THE D SUBLEVEL IS | 5 |
FOR ELECTROMAGNTIC RADIATION THE SPEED OF LIGHT = | FREQUENCY TIMES WAVELENGTH |
THE MAIN ENERGY LEVEL THAT CAN ONLY HOLD 2 ELECTRONS IS THE | FIRST |
THE # OF ORBITAL IN THE F SUBLEVEL IS | 7 |
HOW MANY GROUPS ARE FOUND ON THE PERIOTIC TABLE? | 18 |
WHAT IS THE VALUE FOR THE SPEED OF LIGHT? | 3.00 x 10¬8 |
HOW MANY PERIODS ARE ON THE PERIOTIC TABLE? | 7 |
A SINGLE ORBITAL IN THE 3d LEVEL CAN HOLD HOW MANY ELECTRONS? | 2 |
TO WHICH GROUP TO LITHIUM AND POTASSIUM BELONG? | ALKALI METALS |
MENDELEEV ATTEMPTED TO ORGANIZE THE CHEMICAL ELEMENTS BASED ON THEIR | PROPERTIES |
ARGON, KRYPTON, AND XENON ARE | NOBLE GASES |
TO WHICH GROUP DO FLOURINE AND CLORINE BELONG? | HALOGENS |
A HORIZONTAL RO OF BLOCKS IN THE PERIOTIC TABLE IS CALLED A | PERIOD |
VALENCE ELECTRONS ARE THOSE | IN THE HIGHEST ENERGY LEVEL |
WHAT SUBLEVEL IS BEING FILLED IN PERIOD 3? | S AND P |
A POSITIVE ION IS KNOWN AS | CATION |
A NEGATIVE ION IS KNOWN AS | ANION |
THE # OF VALENCE ELECTRONS IN GROUP 17 IS | 7 |
A COVELENT BOND RESULTS WHEN __________ ARE SHARED. | ELECTRONS |
AN OCTET IS EQUAL TO | 8 |
A CHEMICAL BOD FORMED WHEN 2 ATOMS SHARE ELECTRONS IS CALLED | COVELENT BOND |
WHAT IS AN EXAMPLE OF A FORMULA UNIT | NaCl |
MALLEABILITY AND DUCTILITY ARE CHARACTERISTICS OF SUBSTANCES WITH | METALLIC BONDS |
THE ELEMENTS OF THE ________ GROUP SATISFY THE OCTET RULE WITHOUT BONDING | NOBLE GASES |
ATOMS ARE _________ WHEN THEY ARE COMBINED. | MORE STABLE |
WHEN DRAWING A LEWIS STRUCTURE, EACH ATOM, EXCEPT HYDROGEN, SHOULD BE SURROUNDED BY HOW MANY ELECTRONS? | 8 |
MOST CHEMICAL BONDS ARE | COVELENT |
IS B AN EXAMPLE OF A MOLECULAR FOPRMULA? | NO |
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