Atomic and Ionic Raddii<BLURT>

Atomic and Ionic Raddii

1. When lithium loses an electron to fluorine, what happens to its atomic radius? A. The atomic radius of lithium increases in size.
B. The atomic radius of lithium decreases in size.
C. The atomic radius of lithium does not change.
D. None of these is correct.

2. When lithium loses an electron to fluorine, the atomic radius of lithium decreases in size.When fluorine gains an electron from lithium, what happens to its atomic radius? A. The atomic radius of fluorine increases in size.
B. The atomic radius of fluorine decreases in size.
C. The atomic radius of fluorine does not change.
D. The atomic radius of fluorine now equals that of lithium.

3. When fluorine gains an electron from lithium, the atomic radius of fluorine increases in size.What is the nature of the attraction between the lithium ion and fluoride ion? A. polar covalent bond
B. covalent bond
C. weak attraction
D. ionic bond (electrostatic attraction)

4. In an isoelectronic series, what is true about the number of electrons? A. they increase in number from left to right
B. they decrease in number from left to right
C. they are the same throughout the series of atoms or ions
D. they can vary randomly from one ion or atom to the next

5. In an isoelectronic series, the number of electrons is the same throughout the series of atoms or ions.In an isoelectronic series, when the number of protons decreases, what also occurs? A. the atomic radius increases in size
B. the attraction of the nucleus for electrons decreases
C. the atomic radius decreases in size
D. both a and b are correct
E. both b and c are correct

6. In an isoelectronic series, the atomic radius increases in size and the attraction of the nucleus for electrons decreases as the number of protons in the nucleus decreases.When moving from Fe2+ to Fe3+, what happens to the atomic radius of the iron ion? A. increases
B. decreases
C. remains the same
D. None of these is correct.

(Optional) You may fill in the following information to E-mail the results of your test/quiz to your instructor.

Student Name:	Student E-mail Address:
Student ID #:	Course/Section:
Professor's Name:	Professor's E-mail Address:

Comments about this test/quiz:

Copyright ©2001 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.
For further information about this site contact mhhe_webmaster@mcgraw-hill.com