Chemistry I Chapter 5

Which of the following is has the shortest wavelength?

• ultra violet

• infra-red

• x ray

• gamma ray

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Which of the following has the highest frequency?

• visible light

• gamma ray

• infra-red

• radio waves

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When wavelength goes up...frequency goes _________

• down

• up

• stays the same

• disappears

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When wavelength goes down...energy goes __________

• down

• up

• stays the same

• disappears

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The speed of light is ______________ m/s

• 686,000

• 300

• 3

• 3 x 10⁸

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In the equation c = λν, the greek letter λ represents what?

• speed

• frequency

• planck's constant

• wavelength

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Bohr's model is also referred to as the ____________ model.

• planetary

• solar

• galaxy

• plum pudding

In the current model of the atom, electrons exist in three-dimensional regions of space called _________

• orbits

• orbitals

• nuclei

• particles

Which of the following is NOT a letter that represents a sub-level in the electron cloud?

• s

• p

• d

• g

How many electrons can be held by a single orbital?

• 1

• 2

• 3

• 5