WorksheetsLECTURE 2.1 ATOMIC STRUCTURE
Total questions: 10
Worksheet time: 10mins
The energy of each orbit is
changed
fixed
not the same
not the same
Energy is inversely proportional to
wavelength
frequency
speed of light
Planck's constant
According to Bohr's model, how do electrons travel?
Electrons move in and out of the nucleus
Electrons do not move
Electrons move in circular orbits around the nucleus
Electrons move in a straight line
Electrons can change their orbit by emitting or absorbing energy
True
False
When an electron jumps from its orbit to another orbit, energy is
emitted only
absorbed only
absorbed only
emitted or absorbed
What determines the difference in energy between two energy levels?
Distance between the two energy levels
Number of electrons in the energy levels
Distance from the nucleus
Number of valence electrons
When an electron jumps from one energy level to another energy level, what determines the size of the jump?
Distance between energy level
Charge of the electron
Atomic number of the element
Amount of energy
Which of the emission series is incorrect?
Balmer
Paschen
Paschen
Lymen
Emission of light from an atom occurs when an electron
drops from a higher to a lower energy level
moves within its atomic orbital
jumps from a lower to a higher energy level.
falls into the nucleus
A spectrum containing only electromagnetic radiation of discrete specific wavelengths is known as
line spectrum
continuous spectrum
visible spectrum
valence spectrum
