100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Test Bank for Chemistry An Atoms First Approach 2nd Edition by Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste Chapter 1 - 21 Complete Guide $17.99
Add to cart

Exam (elaborations)

Test Bank for Chemistry An Atoms First Approach 2nd Edition by Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste Chapter 1 - 21 Complete Guide

 0 purchase
  • Course
  • Chemistry: An Atoms First Approach
  • Institution
  • Chemistry: An Atoms First Approach

Test Bank for Chemistry An Atoms First Approach 2nd Edition by Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste Chapter 1 - 21 Complete Guide. Table of Content: Chemistry.1. Chemical Foundations.2. Atomic Structure and Periodicity.3. Bonding: General Concepts.4. Molecular Structure and Orbita...

[Show more]

Preview 4 out of 674  pages

  • June 10, 2024
  • 674
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
  • chemistry
  • atoms
book image

Book Title:

Author(s):

  • Edition:
  • ISBN:
  • Edition:
  • Chemistry: An Atoms First Approach
  • Chemistry: An Atoms First Approach
avatar-seller
StudyNest
Chapter 1 - Chemical Foundations
1. Consider the element indium, atomic number 49, atomic mass 114.8 g. The nucleus of an atom of indium-112
contains:
a. 49 protons, 63 neutrons, 49 electrons.
b. 49 protons, 49 neutrons.
c. 49 protons, 49 alpha particles.
d. 49 protons, 63 neutrons.
e. 49 protons, 112 neutrons.
ANSWER: d
POINTS: 1

2. A hypothetical element consists of two isotopes of masses 78.95 amu and 80.95 amu with abundances of
32.9% and 67.1%, respectively. What is the average atomic mass of this element?
a. 79.95 amu
b. 78.95 amu
St
c. 79.6 amu
d. 80.3 amu
e. 80.95 amu
ANSWER: d
ud
POINTS: 1

3. Naturally occurring element X exists in three isotopic forms: X-28 (27.977 amu, 92.23% abundance), X-29
(28.976 amu, 4.67% abundance), and X-30 (29.974 amu, 3.10% abundance). Calculate the atomic weight of X.
a. 28.09 amu
yN
b. 48.63 amu
c. 27.16 amu
d. 28.97 amu
e. 86.93 amu
ANSWER: a
es
POINTS: 1

4. The atomic mass of rhenium is 186.2. Given that 37.1% of natural rhenium is rhenium-185, what is the other
stable isotope?
a.
t
b.
c.
d.
e.
ANSWER: b
POINTS: 1

5. Naturally occurring element X exists in three isotopic forms: X-28 (27.977 amu, 92.23% abundance), X-29

,Chapter 1 - Chemical Foundations
(28.976 amu, 4.67% abundance), and X-30 (29.974 amu, 3.10% abundance). What is the identity of element X?
a. Cu
b. Al
c. Ni
d. Si
e. Sr
ANSWER: d
POINTS: 1

6. What is the mass of 6 atom(s) of copper in grams?
a. 381.3 g
b. 1.58 × 1021 g
c. 6.38 × 10–24 g
d. 6.022 × 1023 g
St
e. 6.33 × 10–22g
ANSWER: e
POINTS: 1
ud
7. You have a sample of zinc (Zn) and a sample of aluminum (Al). You have an equal number of atoms in each
sample. Which of the following statements concerning the masses of the samples is true?
a. The mass of the zinc sample is more than twice as great as the mass of the aluminum sample.
b. The mass of the zinc sample is more than the mass of the aluminum sample, but it is not twice as great.
c. The mass of the aluminum sample is more than twice as great as the mass of the zinc sample.
yN
d. The mass of the aluminum sample is more than the mass of the zinc sample, but it is not twice as great.
e. The masses of each sample are equal.
ANSWER: a
POINTS: 1
es
8. has .
a. 20 protons, 20 neutrons, and 18 electrons
b. 22 protons, 20 neutrons, and 20 electrons
c. 20 protons, 22 neutrons, and 18 electrons
t
d. 22 protons, 18 neutrons, and 18 electrons
e. 20 protons, 20 neutrons, and 22 electrons
ANSWER: a
POINTS: 1

9. Which of the following statements is (are) true?
a.
and have the same number of neutrons.
b.
and are isotopes of each other because their mass numbers are the same.

,Chapter 1 - Chemical Foundations
c.
has the same number of electrons as .
d. A and B
e. A and C
ANSWER: e
POINTS: 1

10. A species with 12 protons and 10 electrons is .
a. Ne2+

b. Ti2+

c. Mg2+
St
d. Mg
e. Ne2–
ud
ANSWER: c
POINTS: 1


11. The numbers of protons, neutrons, and electrons in K+ are:
yN
a. 20 p, 19 n, 19 e.
b. 20 p, 19 n, 20 e.
c. 19 p, 20 n, 20 e.
d. 19 p, 20 n, 19 e.
es
e. 19 p, 20 n, 18 e.
ANSWER: e
POINTS: 1

12. An ion is formed:
t
a. by either adding or subtracting protons from the atom.
b. by either adding or subtracting electrons from the atom
c. by either adding or subtracting neutrons from the atom.
d. all of the above are true.
e. two of the above are true.
ANSWER: b
POINTS: 1

13. All of the following are true except:
a. ions are formed by adding electrons to a neutral atom.
b. ions are formed by changing the number of protons in an atom's nucleus.

, Chapter 1 - Chemical Foundations
c. ions are formed by removing electrons from a neutral atom.
d. an ion has a positive or negative charge.
e. metals tend to form positive ions.
ANSWER: b
POINTS: 1

14. The formula of water, H2O, suggests:
a. there is twice as much mass of hydrogen as oxygen in each molecule.
b. there are two hydrogen atoms and one oxygen atom per water molecule.
c. there is twice as much mass of oxygen as hydrogen in each molecule.
d. there are two oxygen atoms and one hydrogen atom per water molecule.
e. none of these.
ANSWER: b
St
POINTS: 1

15. NaHCO3 is the active ingredient in baking soda. How many grams of oxygen are in 0.33 g of NaHCO3?
a. 0.063 g
ud
b. 0.012 g
c. 3.93 × 103 g
d. 0.021 g
e. 0.19 g
yN
ANSWER: e
POINTS: 1

16. Phosphorus has the molecular formula P4, and sulfur has the molecular formula S8. How many grams of
phosphorus contain the same number of molecules as 4.26 g of sulfur?
es
a. 2.06 g
b. 0.486 g
c. 4.11 g
d. 4.26 g
e. none of these
t
ANSWER: a
POINTS: 1

17. What is the subscript of barium in the formula of barium phosphate?
a. 3
b. 4
c. 1
d. 0
e. 2
ANSWER: a

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller StudyNest. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $17.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

64302 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling

Recently viewed by you


Exam (elaborations) ·

(0)

Solution Manual for Accounting Information Systems 16th Edition by Romney; Steinbart; Summers; Wood, Verified Chapters 1 - 24, Complete Newest Version

Package deal ·

(0)

AQA A-level POLITICS 7152/2 Paper 2 Government and politics of the USA and comparative politics Question paper and Mark scheme June 2024

Exam (elaborations) ·

(1)

Test Bank for Nutrition: Concepts and Controversies, 16th Edition, Frances Sizer, Ellie Whitney, Leonard Piché, ISBN-10: 0357727614, ISBN- 13: 0357727614

Exam (elaborations) ·

(1)

BKAT 9R EXAM NEWEST 2024 (2 LATEST VERSIONS A & B) WITH RHYTHM STRIP FOR INTERPRETATION ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS

Exam (elaborations) ·

(0)

ECO 110 ECO 210 UNIT 2 CHALLENGES AND MILESTONE QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES VERIFIED ANSWERS ALREADY GRADED A+.

Package deal ·

(0)

COMPLETE SOLUTION PACK FOR BIO 182 EXAM FILES. EXAM 1-6 AND FINAL EXAM| ALL WITH COMPLETE VERIFIED SOLUTIONS| 100% CORRECT| GRADE| 2024/2025.

Package deal ·

(0)

Sociology Final Straighterline EXAM BUNDLE|| ACTUAL EXAMS||| ACTUAL TESTS 2024 || FULL BUNDLE || FULL PACKAGED SOLUTION ( A+ GRADED 100% VERIFIED BY EXPERTS)

Exam (elaborations) ·

(0)

NUR 2058 Dimensions of Nursing Final Exam / NUR2058 Dimensions of Nursing Final Real Exam Questions And Answers 2022-2024: Rasmussen College

Exam (elaborations) ·

(0)

Solutions Manual for Payroll Accounting 2024 10th Edition By Jeanette Landin, Paulette Schirmer (All Chapters, 100% Original Verified, A+ Grade)

$17.99
  • (0)
Add to cart
Added