NEW
Font size
S
M
L
XL
Worksheetselectron arrangements 1
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Form of energy that in includes a spectrum of EM waves ranging from radio waves to gamma rays.
a)
Electromagnetic spectrum
b)
Quantum levels
c)
Bohr model
d)
Mechanical Energy
2.
Distance between one point on a wave and the nearest point just like it.
a)
amplitude
b)
wavelength
c)
frequency
d)
quantum
3.
Number of waves per second. Measured in Hertz (Hz)
a)
Amplitude
b)
Wavelength
c)
Frequency
d)
Quantum
4.
inverse relationship [increase in one = decrease in other (C=𝝺𝝂)]
a)
relationship between frequency and wavelength
b)
relationship between frequency and energy
c)
speed of light vs. EM radiation
d)
relationship between the speed of light and it's frequency
5.
Which wavelength of visible light has the most energy ?
a)
red
b)
violet
c)
yellow
d)
green
6.
What evidence exists for light being a particle and a wave?
a)
Rutherford's model
b)
plum pudding model
c)
photoelectric effect
d)
Hund's Rule
7.
Who initially developed the quantum concept (atoms can absorb or emit only specific amounts of energy) around 1900?
a)
Einstein
b)
Rutherford
c)
Max Planck
d)
Chadwick
8.
Who proposed the idea that light has two natures (both particle and wave) ?
a)
Einstein
b)
Rutherford
c)
Max Planck
d)
Chadwick
9.
Which is a particle of electromagnetic radiation with no mass that carries a quantum of energy?
a)
electron
b)
neutron
c)
microwave
d)
photon
10.
What are patterns made when excited electrons emit light of certain wavelengths?
a)
electromagnetic spectra
b)
atomic emission spectra
c)
spectroscopes
d)
prisms
11.
Which is used in the Bohr model?
a)
orbitals
b)
orbits
c)
plum pudding
d)
electron clouds
12.
What did Louis de Broglie predict?
a)
all moving particles have wave characteristics
b)
waves are inverse to frequency
c)
amplitude determines frequency
d)
the exact location of electrons
13.
Who determined that it is not possible to simultaneously determine the electron's position and velocity?
a)
Pauli
b)
Hund
c)
Heisenberg
d)
Einstein
14.
Who is credited for developing the quantum mechanical model through a series of statistical equations based on the movement of waves?
a)
Schrodinger
b)
Einstein
c)
Hund
d)
Bohr
15.
Minimum energy that can be gained or lost by an atom. ( 1 photon)
a)
1000 KJ
b)
1KJ
c)
coulomb
d)
quantum
16.
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
17.
the lowest energy state of electrons in an atom is called the ______________.
a)
dependent state
b)
excited state
c)
configuational state
d)
ground state
18.
What is the shape of a p atomic orbital?
a)
an asterik
b)
a sphere
c)
a starburst
d)
a dumbbell or elliptical
19.
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 state
c)
falls into the nucleus
d)
drops from a higher to a lower energy state
20.
What is the maximum number of electrons in the second energy level?
a)
18
b)
8
c)
32
d)
2
Reset
