Question 1

Which of the following statements best describes the relationship between wavelength ($$\lambda$$), frequency ($$
u$$), and the speed of light ($$c$$)?

Accepted Answer

$$c = \lambda 
u$$

Question 2

A hospital uses X-rays to image bones. Which property of X-rays makes them suitable for this application compared to visible light?

Accepted Answer

X-rays have higher energy and shorter wavelengths than visible light.

Question 3

Which of the following transitions in the Bohr model represents the absorption of the greatest amount of energy?

Accepted Answer

$$n = 1 to$$ $$n = 4$$

Question 4

A carbon–oxygen double bond within a sugar molecule absorbs electromagnetic radiation at a frequency of $$6.0 	imes 10$$^{12}$$ \ \mathrm{s}^{-1}. $$What portion of the electromagnetic spectrum does this represent?

Accepted Answer

Infrared

Question 5

Which of the following electron configurations violates Hund’s Rule?

Accepted Answer

Two electrons paired in one $$2p$$ orbital while the other $$2p$$ orbitals are empty.

Question 6

How many electrons can be found in the 6th shell of an atom?

Accepted Answer

72

Question 7

Which of the following atoms has the largest atomic radius?

Accepted Answer

Rb

Question 8

Which of the following elements would lose an electron the easiest?

Accepted Answer

Li

Question 9

Which of the following has the highest ionization energy?

Accepted Answer

Ar

Question 10

Which of the following atoms has no unpaired electrons?

Accepted Answer

Ca

Question 11

What is the condensed electron configuration for the Na$$^+$$ ion?

Accepted Answer

[Ne]

Question 12

Which of the following statements about metallic character is correct?

Accepted Answer

Metallic character decreases from left to right across a period.

Question 13

Which of the following elements has the greatest tendency to accept an electron?

Accepted Answer

F

Question 14

Which of the following transitions represents an example of emission?

Accepted Answer

$$n = 3 to$$ $$n = 1$$

Question 15

Which of the following is a possible value for the shell of an atom?

Accepted Answer

$$n = 2$$

Question 16

How many sublevels are contained in the third shell ($$n = 3) $$for a given atom?

Accepted Answer

3

Question 17

Which of the following orbitals possesses the most orbital shapes?

Accepted Answer

5f

Question 18

Which of the following statements is false?

Accepted Answer

A set of f orbitals contains 3 orbitals.

Question 19

Which of the following sources of electromagnetic radiation will have the highest energy?

Accepted Answer

Light C ($$0.000510 m)$$

Question 20

Which of the following elements has the smallest ionization energy?

Accepted Answer

K

Electrons in Atoms and the Periodic Table: Study Guide

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