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WorksheetsChapter 5: Electrons in the atom
Total questions: 12
Worksheet time: 44mins
All electromagnetic radiation from the electromagnetic spectrum, such as radio waves, microwaves, visible light, and gamma rays, travel at what speed?
3.0 x 108 m/s
6.626 x 10-34 j.s
5.89 x 108 m/s
Different types of electromagnetic radiation travel at different speeds
Which wave has higher frequency?
1
2
3
Which wave has a longer wavelength?
1
2
3
As the frequency of light increases, the wavelength
gets longer or increases
gets shorter or decreases
remains the same
approaches the speed of light
As frequency increases in waves, the energy
decreases
stays the same
increases
is equal to the speed of light
Cosmic rays are high-energy radiation from outer space. What is the frequency of a cosmic ray that has a wavelength of 2.67 x 10-13 m when it reaches Earth? (The speed of light is 3.0 x 108 m/s)
8.90 x 10-22 Hz
3.75 x 1012 Hz
8.01 x 10-5 Hz
1.12 x 1021 Hz
A new sunscreen is said to protect against the UV-A waves that can cause skin cancer. How much energy is in a single photon of UV-A electromagnetic radiation with a frequency of 9.231 x 1014 Hz? (Planck's constant is 6.626 x 10-34 j . s)
4.195 x 10-13 J
1.592 x 10-24 J
6.116 x 10-19 J
6.962 x 10-18 J
Lines of colored light obtained by passing the light emitted by an element through a prism is known as the
electromagnetic spectrum
atomic emission spectrum
quantum of energy
Aufbau principle
When an electron jumps from its ground state to a higher energy level, it is said to be in the
ground state
excited state
crazy state
lazy state
What is the complete electron configuration of a scandium atom?
1s22s22p63s23p64s23d1
1s22s22p73s23p74s23d1
1s22s22p53s23p54s23d1
1s22s12p73s13p74s23d1
What is the element that has the Noble Gas configuration [Xe]6s24f145d6
La
Ti
W
Os
What is the shape of a p sub-orbital in the electron cloud model of the atom?
sphere
dumbbell or figure 8
double dumbbell or a clover
double donut dumbbell or highly complex
