NEMCC Physical Science Survey II Midterm (Dewitt)
Questions With Verified Answers
_______ introduced the quantized energy idea. Ans✓✓✓Planck
_______ studied oil droplets in an electric field and found multiples of
the electron charge and thereby gave the electron mass.
Ans✓✓✓Millikan
________ formulated an atomic theory using a model of electrons
embedded in a blob of positively charged matter like raisins in plum
pudding. Ans✓✓✓Thomson
________ formulated an atomic theory using a model of electrons
embedded in a blob of positively charged matter like raisins in plum
pudding. Ans✓✓✓Thomson
________ reintroduced the atomic theory in the early 1800's to explain
chemical reactions. Ans✓✓✓Dalton
_________ have the same number of protons and are identified as the
same element name but have different numbers of neutrons and
therefore different masses. Ans✓✓✓isotopes
_________ is the loss of electrons. Ans✓✓✓oxidation
, __________ are atoms with the same atomic number but different
numbers of neutrons. Ans✓✓✓isotopes
___________ are responsible for the chemical properties of organic
compounds. Ans✓✓✓functional groups
___________ is sufficient mass and concentration to produce a chain
reaction. Ans✓✓✓critical mass
_____________ fluids can mix in any proportions without separating.
Ans✓✓✓miscible
) The simplest alkyne is __________. Ans✓✓✓acetylene
A _________ is a homogeneous mixture of ions/molecules from two or
more substances. Ans✓✓✓solution
A device used to detect radiation is Ans✓✓✓Geiger counter
A measure of an atom's ability to attract electrons is ___________.
Ans✓✓✓electronegativity
A molecular compound may be identified by which property/properties?
Ans✓✓✓All of the answers are correct.
Questions With Verified Answers
_______ introduced the quantized energy idea. Ans✓✓✓Planck
_______ studied oil droplets in an electric field and found multiples of
the electron charge and thereby gave the electron mass.
Ans✓✓✓Millikan
________ formulated an atomic theory using a model of electrons
embedded in a blob of positively charged matter like raisins in plum
pudding. Ans✓✓✓Thomson
________ formulated an atomic theory using a model of electrons
embedded in a blob of positively charged matter like raisins in plum
pudding. Ans✓✓✓Thomson
________ reintroduced the atomic theory in the early 1800's to explain
chemical reactions. Ans✓✓✓Dalton
_________ have the same number of protons and are identified as the
same element name but have different numbers of neutrons and
therefore different masses. Ans✓✓✓isotopes
_________ is the loss of electrons. Ans✓✓✓oxidation
, __________ are atoms with the same atomic number but different
numbers of neutrons. Ans✓✓✓isotopes
___________ are responsible for the chemical properties of organic
compounds. Ans✓✓✓functional groups
___________ is sufficient mass and concentration to produce a chain
reaction. Ans✓✓✓critical mass
_____________ fluids can mix in any proportions without separating.
Ans✓✓✓miscible
) The simplest alkyne is __________. Ans✓✓✓acetylene
A _________ is a homogeneous mixture of ions/molecules from two or
more substances. Ans✓✓✓solution
A device used to detect radiation is Ans✓✓✓Geiger counter
A measure of an atom's ability to attract electrons is ___________.
Ans✓✓✓electronegativity
A molecular compound may be identified by which property/properties?
Ans✓✓✓All of the answers are correct.
