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WorksheetsElectrons in atoms
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
When an electron moves from a lower to a higher energy level, the electron ________________.
a)
gains a certain amount of energy
b)
gains any amount of energy
c)
loses energy
d)
moves closer to the nucleus
2.
the lowest energy state of electrons in an atom is called the ______________.
a)
dependent state
b)
excited state
c)
configuational state
d)
ground state
3.
The light given off when electricity is passed through sodium gas is called sodium's _______________
a)
wavelength
b)
emission spectrum
c)
light
d)
continuous spectrum
4.
What is the shape of a p atomic orbital?
a)
an oval
b)
a sphere
c)
an egg
d)
a dumbbell or peanut
5.
In Bohr's model of the atom, where are the electrons and protons located?
a)
the electrons orbit the protons, which are at the center of the atom
b)
the electrons and protons move throughout the atom
c)
the electrons and protons are located throughout the atoms, but they are not free to move
d)
the electrons are stationary around the protons, which are at the center of the atom
6.
Emission of light from an atom occurs when the electron ________.
a)
moves within its atomic orbital
b)
jumps from a lower to a higher energy level
c)
falls into the nucleus
d)
drops from a higher to a lower energy level
7.
What is the maximum number of electrons in the second energy level?
a)
18
b)
8
c)
32
d)
2
8.
The quantum model of the atom ______________.
a)
defines the exact path of an electron around the nucleus
b)
has the electrons in orbits
c)
has the electrons in orbitals
d)
was proposed by Niels Bohr
9.
Which has more energy?
a)
electron in the 1 energy level
b)
electron in the 2 energy level
c)
electron in the 3 energy level
d)
electron moving from the 2 to the 1 energy level
10.
In the Bohr model, if an atom has 6 electrons, how many will be in the second energy level?
a)
2
b)
4
c)
6
d)
none
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