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WorksheetsAP Chemistry semester 1 review
Total questions: 24
Worksheet time: 14mins
What is the electron configuration of phosphorous?
[Ne] 3s2 3p3
1s2 2s2 2p6
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s1
What has to be true for a molecule to be polar
The molecule must be asymmetrical
The molecule must be symmetrical
The elements if the molecule must have a difference in electronegativity.
The atoms in the molecule must have the same electronegativity
the gingerbread man
What is the electron configuration of chlorine?
1s2 2s2 2p6 3s2 3p6
[Ne] 3s2 3p3
1s2 2s2 2p6 3s2 3p5
In order to occupy the same orbital, two electrons must have
the same direction of spin
opposite spins
opposite charge
low energy
high energy
According to Hund's rule, when electrons occupy orbitals of equal energy, one electron enters each orbital until *
all the orbitals contain one electron, with opposite spins
all the orbitals contain one electron, with spins parallel
there are two electrons in each orbital
electron velocities become constant
According to the Pauli Exclusion Principle, there can be *
only 1 electron per orbital
up to 2 electrons per orbital
up to 3 electrons per orbital
up to 4 electrons per orbital
Which Experiment led to the discovery of the electron? *
Gold Foil experiment
Gold Tooth experiment
Cathode Ray Tube Experiment
The oil drop experiment
what quantum number represents n?
shape
principle shell
spin
orientation
what quantum number represents l?
shape
principle shell
spin
orientation
what quantum number represents m(l)
spin
orientation
shape
principle shell
what quantum number represents m(s)?
spin
principle shell
shape
orientation
Which Experiment led to the discovery of the proton? *
Gold Foil experiment
Cathode Ray Tube Experiment
The Particle Accelerator Experiment
The oil drop experiment
Which Experiment led to the discovery of the nucleus? *
Gold Foil experiment
Gold Tooth experiment
Cathode Ray Tube Experiment
The oil drop experiment
Which Experiment led to the discovery of the mass of an electron? *
The oil drop experiment
Cathode Ray Tube Experiment
Gold Foil experiment
The Neutron Star Experiment
Which of the following are particles that make up atoms? *
protons
neutrons
electrons
all of the above
none of the above
What is the mass of an electron? *
1.67 x 10^-24 g
8.314 x 10^-22 g
9.11 x 10^-28 g
6.022 x 10^23 g
What was the primary advancement proposed by the Rutherford model of an atom?
Atoms were indivisible units of matter
It coined the phrase "Johnny Neutron"
Atoms could not be destroyed, only rearranged.
Atoms were like plum pudding with all the particles thrown in willy nilly.
Atoms were made of a nucleus of protons and neutrons with electrons orbiting them.
How many significant figures are there in the following measurement values: 1300
1
2
2, 3, or 4 depending on if the zeros are place holders
3
4
How many significant figures are there in the following measurement values: 56.0
2
3
2 or 3 depending on if the zeros are place holders
1
What is the temperature and pressure on a phase diagram where a substance can exist as a solid, liquid or a gas?
critical point
point of no return
the ideal point
The cape of good hope
triple point
A reaction that has a negative delta G but a positive delta H is _________
spontaneous and exothermic
spontaneous and endothermic
non-spontaneous and exothermic
non-spontaneous and endothermic
A real gas will behave most like an ideal gas under what conditions?
Low temperature, high pressure
High pressure, high temperature
Low temperature, low pressure
High temperature, low pressure
The molar volume of a gas at STP is ______
22.4 L
6.022 x 10^23 particles
12.0 amu
6.636 x 10^-34 J*s
Which of the following compounds is chromium(III) oxide
Cr2O3
CrONCH
CrO3
Cr3O
Cr3O2
