Chemistry Ch 5 Quiz

In the visible light spectrum, red light has a greater frequency than violet light.

• True

• False

Indicate whether the statement is true or false. The Heisenberg uncertainty principle states that it is impossible to know the position and velocity of an electron at the same time.

• True

• False

There is a possibility of 10 electrons existing in a d-orbital.

• True

• False

An element can be identified by the characteristic bright-line atomic emission spectrum it can produce.

• True

• False

Six electrons can exist in a p-orbital.

• True

• False

Which is the correct electron configuration for the element molybdenum (Mo)?

• 1s^2 2s^2 2p^6 3s^2 3p^6 3d^4

• 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 3d^5 4p^0

• 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 4d^1 4p^5 5s^1 5d^4

• 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^5 4d^4

Indicate the answer choice that best completes the statement or answers the question. A photon is emitted from an atom with an energy of 4.25 x 10^-19 J. What is the wavelength of the photon?

• 4.68 x 10^-7 m

• 2.73 x 10^-4 m

• 1.28 x 10^-10 m

• 6.42 x 10^-14 m

Indicate the answer choice that best completes the statement or answers the question. Which label identifies the wavelength of the wave shown?

• A

• B

• C

• D

Which of these elements has 5 valence electrons?

• boron (B)

• rubidium (Rb)

• vanadium (V)

• arsenic (As)

Which is the correct electron dot structure for the element fluorine (F)?

• A

• B

• C

• D