ACS CHEMISTRY GENERAL EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
Which drop in energy level results in the greatest emission
of energy? - ANSWERS-n=2 to n=1
quantum numbers - ANSWERS-
What do the 4 quantum numbers stand for? - ANSWERS-n =
energy level
l = (n-1)
ml -l to l
mn 1/2 or -1/2 (spin)
List the quantum numbers for the s, p, d, and f orbitals -
ANSWERS-s 1,0,0
p 2, 1, -1-0-1
d 3, 2, -2--1-0-1-2
,f 4, 3 -3--2--1-0-1-2-3
Py orbital - ANSWERS-
Which element is represented by X - ANSWERS-Chromium
What two subatomic particles have the most mass, but
occupy very little of the volume of an atom - ANSWERS-
protons and neutrons
Define Isoelectronic - ANSWERS-Having the same amount of
electrons
How does a sodium ion differ from a sodium atom? -
ANSWERS-the sodium ion has fewer electrons
two or more compounds with the same formula but a
different arrangement of atoms in the molecule and
different properties - ANSWERS-isomer
two or more different physical forms in which an element
can exist. Graphite, charcoal, and diamond are all ________
of carbon. - ANSWERS-allotropes
,What makes up an alpha particle? - ANSWERS-2 protons and
2 neutrons
What did Millikan discover from his oil drop experiments? -
ANSWERS-the magnitude of the charge on an electron
Periods vs Groups - ANSWERS-
when an atom of an electropositive atom becomes an ion
it..? - ANSWERS-becomes larger
Nearly all the mass in an atom is located _________ because
both ______ & ______ are located there, and each of these
particles have a mass larger than the ______ - ANSWERS-
inside the nucleus
protons & neutrons
electron
Classify the following as an element, compound, or mixture.
If it is a mixture, decide if it is a homogeneous or
heterogeneous mixture.
, 1 Sugar
2 Spaghetti Sauce
3 Phosphorus - ANSWERS-1 compound, not a mixture
2 mixture, heterogenous
3 element
Properties that do depend on the amount of matter present.
- ANSWERS-extensive
Dz^2 orbital - ANSWERS-
Dxy orbital - ANSWERS-
Dx^2y^2 orbital - ANSWERS-
List the shape, electron domain geometry, and predicted
bond angle of a molecule with 6 electron domains -
ANSWERS-Octahedral
90º
List the electron domain geometry & molecular geometry of
a molecule with 4 electron domains (4 bonding 0
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
Which drop in energy level results in the greatest emission
of energy? - ANSWERS-n=2 to n=1
quantum numbers - ANSWERS-
What do the 4 quantum numbers stand for? - ANSWERS-n =
energy level
l = (n-1)
ml -l to l
mn 1/2 or -1/2 (spin)
List the quantum numbers for the s, p, d, and f orbitals -
ANSWERS-s 1,0,0
p 2, 1, -1-0-1
d 3, 2, -2--1-0-1-2
,f 4, 3 -3--2--1-0-1-2-3
Py orbital - ANSWERS-
Which element is represented by X - ANSWERS-Chromium
What two subatomic particles have the most mass, but
occupy very little of the volume of an atom - ANSWERS-
protons and neutrons
Define Isoelectronic - ANSWERS-Having the same amount of
electrons
How does a sodium ion differ from a sodium atom? -
ANSWERS-the sodium ion has fewer electrons
two or more compounds with the same formula but a
different arrangement of atoms in the molecule and
different properties - ANSWERS-isomer
two or more different physical forms in which an element
can exist. Graphite, charcoal, and diamond are all ________
of carbon. - ANSWERS-allotropes
,What makes up an alpha particle? - ANSWERS-2 protons and
2 neutrons
What did Millikan discover from his oil drop experiments? -
ANSWERS-the magnitude of the charge on an electron
Periods vs Groups - ANSWERS-
when an atom of an electropositive atom becomes an ion
it..? - ANSWERS-becomes larger
Nearly all the mass in an atom is located _________ because
both ______ & ______ are located there, and each of these
particles have a mass larger than the ______ - ANSWERS-
inside the nucleus
protons & neutrons
electron
Classify the following as an element, compound, or mixture.
If it is a mixture, decide if it is a homogeneous or
heterogeneous mixture.
, 1 Sugar
2 Spaghetti Sauce
3 Phosphorus - ANSWERS-1 compound, not a mixture
2 mixture, heterogenous
3 element
Properties that do depend on the amount of matter present.
- ANSWERS-extensive
Dz^2 orbital - ANSWERS-
Dxy orbital - ANSWERS-
Dx^2y^2 orbital - ANSWERS-
List the shape, electron domain geometry, and predicted
bond angle of a molecule with 6 electron domains -
ANSWERS-Octahedral
90º
List the electron domain geometry & molecular geometry of
a molecule with 4 electron domains (4 bonding 0
