Chemistry Unit 1 Review Quiz

Which particles make up the nucleus of an atom? (you can choose more than one answers)

• proton

• electron

• neutron

how is structured Rutherford atom?

• composed by elements beingg a single and indivisable matter

• a sphere of uniform positive mass, in which the negative charges were inserted

• electrons revolve in circular orbits around the nucleus, occupying the lowest energy orbit

• nucleous in the middle sorrunded by electrons circuling at some distance

To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its

• wavelength

• refraction

• intensity

• amplitude

The full range of frequencies of electromagnetic radiation is called

• visible light

• the electromagnetic spectrum

• radio waves

• invisible radiation

Which wave has a longer wavelength?

• wave C

• wave D

Which wave has a greater frequency?

• wave B

• wave C

Which section of the spectrum is the ONLY one we can see?

• X-rays

• Gamma Rays

• Visible Light

• Ultraviolet Rays

Based on the picture above, which kind of wave has the greatest frequency?

• microwave

• ultraviolet

• infrared

• gamma rays

A wave has a frequency of 8 Hz and a speed of 32m/s meters. By using formula above, what is the wavelength of the wave?

• 2 meter

• 3 meter

• 4 meter

• 5 meter

What is the speed of light?

• 3.0x10⁸ ms

• 3.0x10⁸ m/s

• 6.626x10^-34 Js

• 6.626x10^-34 J/s