Essential Organic Chemistry 2nd Edition By Bruice-Test Bank

Test Bank For Essential Organic Chemistry 2nd Edition By Bruice

ISBN-10:0321596951 , ISBN-13:978-0321596956
Chapter 1

Electronic Structure and Covalent Bonding

1. Atoms with the same number of protons but different numbers of neutrons are called __________.

Answer: isotopes

Section: 1.1

2) What isotope of chlorine has the same number of neutrons as Argon-38?

1. A) 17Cl
2. B) 35Cl
3. C) 36Cl
4. D) 37Cl
5. E) 38Cl

Answer: D

Section: 1.1

3) Which statement is incorrect about the atomic number of an atom?

1. A) It equals the number of protons in its nucleus.
2. B) It equals the number of electrons outside the nucleus.
3. C) It equals the sum of its protons and neutrons.
4. D) It is a whole number.
5. E) It is given on the Periodic Table.

Answer: C

Section: 1.1

4) Which of the following elements does this electronic configuration represent?

1s2 2s2 2p5

1. A) F
2. B) C
3. C) N
4. D) Al
5. E) O

Answer: A

Section: 1.2

5) Which of the following is the electronic configuration of the element Fe?

1. A) 1s2 2s2 2p6 3s2 3p6 4s2 3d6
2. B) 1s2 2s2 2p6 3s2 3p8 3d6
3. C) 1s2 2s2 2p8 3s2 3p6 4s2 3d6
4. D) 1s2 2s2 2p6 3s2 3p6 4s2 4d6
5. E) 1s2 2s2 2p6 3s2 3p6 4s2 4p6

Answer: A

Section: 1.2

6) Ar, K , Cl- are isoelectronic elements (elements with the same number of electrons). What orbital does the last electron occupy?

Answer: 3p orbital

Section: 1.2

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