Chem 1205 Final Exam Questions With
Correct Answers
Water |freezes |at |- |CORRECT |ANSWER✔✔-32 |F |and |0 |C
Water |boils |at |- |CORRECT |ANSWER✔✔-100 |degrees |Celsius |or |212 |degrees |Fahrenheit
solid |- |CORRECT |ANSWER✔✔-Definite |shape |and |volume, |particles |close |together, |arranged |in
|a |3-D |array
liquid |- |CORRECT |ANSWER✔✔-definite |volume |but |no |definite |shape, |particles |close |together |
but |can |randomly |move |around
Gas |- |CORRECT |ANSWER✔✔-No |definite |shape |or |volume, |move |randomly |and |are |separated |
by |large |distances, |expand |to |fill |container
physical |change |- |CORRECT |ANSWER✔✔-alters |a |substance |without |changing |its |composition
chemical |property |- |CORRECT |ANSWER✔✔-determines |how |a |substance |can |be |converted |
into |another |substance
chemical |change |- |CORRECT |ANSWER✔✔-converts |one |material |to |another
pure |substance |- |CORRECT |ANSWER✔✔-composed |of |a |single |substance |and |has |a |constant |
composition
, Mixture |- |CORRECT |ANSWER✔✔-A |combination |of |two |or |more |substances |that |are |not |
chemically |combined
Compound |- |CORRECT |ANSWER✔✔-A |substance |made |up |of |atoms |of |two |or |more |different |
elements |joined |by |chemical |bonds
Density |- |CORRECT |ANSWER✔✔-physical |property |that |relates |the |mass |of |a |substance |to |its |
volume
specific |gravity |- |CORRECT |ANSWER✔✔-quantity |that |compares |the |density |of |a |substance |
with |the |density |of |water |at |4 |degrees |Celsius
Element |- |CORRECT |ANSWER✔✔-A |pure |substance |that |cannot |be |broken |down |into |other |
substances |by |chemical |or |physical |means
Nonmetals |- |CORRECT |ANSWER✔✔-poor |conductors |of |heat |and |electric |current
Metals |- |CORRECT |ANSWER✔✔-good |conductors |of |heat |and |electric |current, |ductile, |
malleable
Metalloids |- |CORRECT |ANSWER✔✔-elements |with |properties |that |fall |between |those |of |
metals |and |nonmetals
metals |are |______________ |at |room |temp |- |CORRECT |ANSWER✔✔-solid
metal |appearance |- |CORRECT |ANSWER✔✔-shiny
nonmetal |appearance |- |CORRECT |ANSWER✔✔-dull
Correct Answers
Water |freezes |at |- |CORRECT |ANSWER✔✔-32 |F |and |0 |C
Water |boils |at |- |CORRECT |ANSWER✔✔-100 |degrees |Celsius |or |212 |degrees |Fahrenheit
solid |- |CORRECT |ANSWER✔✔-Definite |shape |and |volume, |particles |close |together, |arranged |in
|a |3-D |array
liquid |- |CORRECT |ANSWER✔✔-definite |volume |but |no |definite |shape, |particles |close |together |
but |can |randomly |move |around
Gas |- |CORRECT |ANSWER✔✔-No |definite |shape |or |volume, |move |randomly |and |are |separated |
by |large |distances, |expand |to |fill |container
physical |change |- |CORRECT |ANSWER✔✔-alters |a |substance |without |changing |its |composition
chemical |property |- |CORRECT |ANSWER✔✔-determines |how |a |substance |can |be |converted |
into |another |substance
chemical |change |- |CORRECT |ANSWER✔✔-converts |one |material |to |another
pure |substance |- |CORRECT |ANSWER✔✔-composed |of |a |single |substance |and |has |a |constant |
composition
, Mixture |- |CORRECT |ANSWER✔✔-A |combination |of |two |or |more |substances |that |are |not |
chemically |combined
Compound |- |CORRECT |ANSWER✔✔-A |substance |made |up |of |atoms |of |two |or |more |different |
elements |joined |by |chemical |bonds
Density |- |CORRECT |ANSWER✔✔-physical |property |that |relates |the |mass |of |a |substance |to |its |
volume
specific |gravity |- |CORRECT |ANSWER✔✔-quantity |that |compares |the |density |of |a |substance |
with |the |density |of |water |at |4 |degrees |Celsius
Element |- |CORRECT |ANSWER✔✔-A |pure |substance |that |cannot |be |broken |down |into |other |
substances |by |chemical |or |physical |means
Nonmetals |- |CORRECT |ANSWER✔✔-poor |conductors |of |heat |and |electric |current
Metals |- |CORRECT |ANSWER✔✔-good |conductors |of |heat |and |electric |current, |ductile, |
malleable
Metalloids |- |CORRECT |ANSWER✔✔-elements |with |properties |that |fall |between |those |of |
metals |and |nonmetals
metals |are |______________ |at |room |temp |- |CORRECT |ANSWER✔✔-solid
metal |appearance |- |CORRECT |ANSWER✔✔-shiny
nonmetal |appearance |- |CORRECT |ANSWER✔✔-dull
