Straighterline Chemistry Final- deck 1
a. Law - answers✔✔What is the term used for findings that are summarized based on a pattern or
trend?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
b. Hypothesis - answers✔✔Which of the following is a tentative explanation for a set of observations?
Select one:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
c. Homogeneous mixture - answers✔✔If a liquid contains 60% sugar and 40% water throughout its
composition then what is it called?
Select one:
a. Solute
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
d. Heterogeneous mixture - answers✔✔Which of the following does not have a uniform composition
throughout?
Select one:
,a. Element
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
a. Water, when heated, forms steam. - answers✔✔Which one of these represents a physical change?
Select one:
a. Water, when heated, forms steam.
b. Bleach turns hair yellow.
c. Sugar, when heated, becomes brown.
d. Milk turns sour.
e. Apples, when exposed to air, turn brown.
e. Atomic mass unit - answers✔✔What terms defines a mass which is exactly equal to 1/12 the mass of
one carbon-12 atom?
Select one:
a. Isotope number
b. Mass number
c. Mass-to-charge ratio
d. Atomic number
e. Atomic mass unit
b. allotropes of carbon. - answers✔✔C(graphite) and C(diamond) are examples of:
Select one:
a. isotopes of carbon.
b. allotropes of carbon.
, c. the law of definite proportions.
d. different carbon ions.
d. Na2S - answers✔✔The formula for sodium sulfide is
Select one:
a. NaS
b. K2S
c. NaS2
d. Na2S
e. SeS
a. hypochlorite - answers✔✔What is the name of ClO - ion?
Select one:
a. hypochlorite
b. chlorate
c. chlorite
d. perchlorate
e. perchlorite
b. node - answers✔✔A(n) _________ is a point at which a standing wave has zero amplitude.
Select one:
a. crevice
b. node
c. pit
d. burrow
e. orbital
b. 2; 4 - answers✔✔The Pauli exclusion principle states that no ____ electrons within an atom can have
the same ____ quantum numbers.
a. Law - answers✔✔What is the term used for findings that are summarized based on a pattern or
trend?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
b. Hypothesis - answers✔✔Which of the following is a tentative explanation for a set of observations?
Select one:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
c. Homogeneous mixture - answers✔✔If a liquid contains 60% sugar and 40% water throughout its
composition then what is it called?
Select one:
a. Solute
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
d. Heterogeneous mixture - answers✔✔Which of the following does not have a uniform composition
throughout?
Select one:
,a. Element
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
a. Water, when heated, forms steam. - answers✔✔Which one of these represents a physical change?
Select one:
a. Water, when heated, forms steam.
b. Bleach turns hair yellow.
c. Sugar, when heated, becomes brown.
d. Milk turns sour.
e. Apples, when exposed to air, turn brown.
e. Atomic mass unit - answers✔✔What terms defines a mass which is exactly equal to 1/12 the mass of
one carbon-12 atom?
Select one:
a. Isotope number
b. Mass number
c. Mass-to-charge ratio
d. Atomic number
e. Atomic mass unit
b. allotropes of carbon. - answers✔✔C(graphite) and C(diamond) are examples of:
Select one:
a. isotopes of carbon.
b. allotropes of carbon.
, c. the law of definite proportions.
d. different carbon ions.
d. Na2S - answers✔✔The formula for sodium sulfide is
Select one:
a. NaS
b. K2S
c. NaS2
d. Na2S
e. SeS
a. hypochlorite - answers✔✔What is the name of ClO - ion?
Select one:
a. hypochlorite
b. chlorate
c. chlorite
d. perchlorate
e. perchlorite
b. node - answers✔✔A(n) _________ is a point at which a standing wave has zero amplitude.
Select one:
a. crevice
b. node
c. pit
d. burrow
e. orbital
b. 2; 4 - answers✔✔The Pauli exclusion principle states that no ____ electrons within an atom can have
the same ____ quantum numbers.
