AC-HPAT Chemistry Exam Questions &
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Terms in this set (71)
A double displacement reaction, also known
as a double replacement reaction or
double- metathesis, is a type of chemical reaction
displacement where two compounds react, and the
reaction positive ions (cation) and the negative ions
(anion) of the two reactants switch places,
forming two new compounds or products
precipitate is an insoluble solid that emerges
from a liquid solution. The emergence of the
insoluble solid from solution is called
Precipitate precipitation. Often the precipitate emerges
as a suspension. Precipitates can form when
two soluble salts react in solution to form
one or more insoluble products.
Energy levels (also called electron shells)
are fixed distances from the nucleus of an
atom where electrons may be found. As you
Energy Levels go farther from the nucleus, electrons at
higher energy levels have more energy.
Electrons in the outermost energy level of
an atom are called valence electrons
, The Marquis Test is commonly used for
Ecstasy testing as MDMA turns the
precipitate purple black. Cobalt thiocyanate
Marquis Test is used to test for cocaine. The Cobalt is
mixed with the questionable substance, then
drowned in hydrochloric acid, doused in
chloroform, and shaken.
What is the relation Atomic number is actually the number of
between an atomic protons in an atom while mass number is the
number and a mass number of nucleons i. e, number of protons
number? plus the number of neutrons.
Isotopes refer to the nuclides of a certain
element that have different numbers of
neutrons, or in other words, atomic nuclei
that have the same number of protons but
Isotopes
different numbers of neutrons. A
radioisotope is an isotope that is unstable
and therefore undergoes radioactive decay
or will at some point.
Chemical synthesis, the construction of
complex chemical compounds from simpler
ones. It is the process by which many
Chemical Synthesis substances important to daily life are
obtained. It is applied to all types of
chemical compounds, but most syntheses
are of organic molecules.
, A decomposition reaction is a type of
chemical reaction in which a single
compound breaks down into two or more
Decomposition elements or new compounds. These
reactions often involve an energy source
such as heat, light, or electricity that breaks
apart the bonds of compounds
A single-displacement reaction, also known
as a single-replacement reaction, is a type
of chemical reaction where an element
single-displacement
reacts with a compound and takes the place
reaction
of another element in that compound. This
type of reaction is typically pictured like this:
Here, A replaces B in the compound BC
flame test is an analytical procedure used in
chemistry to detect the presence of certain
elements, primarily metal ions, based on
Flame test each element's characteristic emission
spectrum. The color of flames in general
also depends on temperature; see flame
color.
A precipitation reaction refers to the
formation of an insoluble salt when two
solutions containing soluble salts are
combined. The insoluble salt that falls out of
Precipitation reaction
solution is known as the precipitate, hence
the reaction's name. Precipitation reactions
can help determine the presence of various
ions in solution.
Answers Latest Version
Save
Terms in this set (71)
A double displacement reaction, also known
as a double replacement reaction or
double- metathesis, is a type of chemical reaction
displacement where two compounds react, and the
reaction positive ions (cation) and the negative ions
(anion) of the two reactants switch places,
forming two new compounds or products
precipitate is an insoluble solid that emerges
from a liquid solution. The emergence of the
insoluble solid from solution is called
Precipitate precipitation. Often the precipitate emerges
as a suspension. Precipitates can form when
two soluble salts react in solution to form
one or more insoluble products.
Energy levels (also called electron shells)
are fixed distances from the nucleus of an
atom where electrons may be found. As you
Energy Levels go farther from the nucleus, electrons at
higher energy levels have more energy.
Electrons in the outermost energy level of
an atom are called valence electrons
, The Marquis Test is commonly used for
Ecstasy testing as MDMA turns the
precipitate purple black. Cobalt thiocyanate
Marquis Test is used to test for cocaine. The Cobalt is
mixed with the questionable substance, then
drowned in hydrochloric acid, doused in
chloroform, and shaken.
What is the relation Atomic number is actually the number of
between an atomic protons in an atom while mass number is the
number and a mass number of nucleons i. e, number of protons
number? plus the number of neutrons.
Isotopes refer to the nuclides of a certain
element that have different numbers of
neutrons, or in other words, atomic nuclei
that have the same number of protons but
Isotopes
different numbers of neutrons. A
radioisotope is an isotope that is unstable
and therefore undergoes radioactive decay
or will at some point.
Chemical synthesis, the construction of
complex chemical compounds from simpler
ones. It is the process by which many
Chemical Synthesis substances important to daily life are
obtained. It is applied to all types of
chemical compounds, but most syntheses
are of organic molecules.
, A decomposition reaction is a type of
chemical reaction in which a single
compound breaks down into two or more
Decomposition elements or new compounds. These
reactions often involve an energy source
such as heat, light, or electricity that breaks
apart the bonds of compounds
A single-displacement reaction, also known
as a single-replacement reaction, is a type
of chemical reaction where an element
single-displacement
reacts with a compound and takes the place
reaction
of another element in that compound. This
type of reaction is typically pictured like this:
Here, A replaces B in the compound BC
flame test is an analytical procedure used in
chemistry to detect the presence of certain
elements, primarily metal ions, based on
Flame test each element's characteristic emission
spectrum. The color of flames in general
also depends on temperature; see flame
color.
A precipitation reaction refers to the
formation of an insoluble salt when two
solutions containing soluble salts are
combined. The insoluble salt that falls out of
Precipitation reaction
solution is known as the precipitate, hence
the reaction's name. Precipitation reactions
can help determine the presence of various
ions in solution.
