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Structure Of The Atom
Test Description: Review of chapter 5, Glencoe Matter and Change
Instructions: Answer all questions to get your test result.
1) What is the most amount of energy an atom can gain or lose?
A
quantum
B
photon
C
particle
D
wave
2) What is the maximum electrons that can occupy one orbital?
A
varies with the energy level
B
eight
C
four
D
two
3) What is Bohr\'s model of the atom?
A
electrons occupy a diffuse electron cloud
B
the location of electrons is unknown
C
electrons are waves not particles
D
electrons can occupy only certain energy levels
4) What is Heisenberg\'s uncertainty principle?
A
It is fundamentally impossible to know both the velocity and location of an electron.
B
The existence of the atom can not be proved.
C
All neutrons have an unknown mass.
D
We can never know the exact atomic number of an element.
5) What are the first 3 subshells?
A
1, 2 and 3
B
s, p, d
C
1s1, 2s1 and 3s1
D
x, y, z
6) Who first stated that light is made of particles called photons?
A
Planck
B
Bohr
C
Einstein
D
Dalton
7) Why do atomic emission spectrum show only certain frequencies of light?
A
Because electrons can only occuply certain energy levels.
B
Because our equipment can only detect certain frequencies.
C
Because every element is unique.
D
Because protons exist at certain frequencies.
8) What model of the atom says that electrons act both like particles and like waves?
A
the quantum mechanical model
B
Dalton's model
C
Planck's model
D
the Bohr model
9) What is the photoelectric effect?
A
A camera works by recording the emissions of electrons.
B
When light of a certain frequency is shone on a element, the element emits electrons which give off light at specific frequen
C
When metal absorb heat the element gives off protons and neutrons.
D
When a nucleus undergoes radioactive decay electricity is produced.
10) What is the noble gas configuration for lithium?
A
1s1 1s1 2s1
B
1s2 2s2
C
*Li*
D
Li: [He] 2s1
*select an answer for all questions
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