Becky chemistry 2
Authored by Hoang Bui
Geography
9th - 12th Grade
Used 2+ times
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32 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement describes a concept included in the
wave-mechanical model of the atom?
Protons, neutrons, and electrons are located in the nucleus.
Electrons orbit the nucleus in shells at fixed distances.
Atoms are hard, indivisible spheres.
Electrons are located in regions called orbitals.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. According to the wave-mechanical model, an orbital is defined as
the most probable location of
a proton
a neutron
a positron
an electron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The wave-mechanical model of the atom is required to explain
the
mass number and atomic number of an atom
organization of atoms in a crystal
radioactive nature of some atoms
spectra of elements with multielectron atoms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which group of atomic models is listed in historical order from
the earliest to the most recent?
hard-sphere model, wave-mechanical model, electron-shell
model
hard-sphere model, electron-shell model, wave-mechanical
model
electron-shell model, wave-mechanical model, hard-sphere
model
electron-shell model, hard-sphere model, wave-mechanical
model
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which group of elements do most atoms have completely filled
s and p valence sublevels?
halogens
noble gases
alkali metals
alkaline earth metals
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of orbitals in the d sublevel of an atom?
1
7
3
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of sublevels in an atom's fourth
principal energy level?
8
16
3
4
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