General, Organic, and Biological Chemistry

7th Edition

ISBN: 9781285853918

Author: H. Stephen Stoker

Publisher: Cengage Learning

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Textbook Question

Chapter 1, Problem 1.53EP

Write the chemical symbol for each member of the following pairs of elements.

a. Sodium and sulfur
b. Magnesium and manganese
c. Calcium and cadmium
d. Arsenic and argon

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Chapter 1, Problem 1.52EP

Chapter 1, Problem 1.54EP

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QUESTION 31 A substance composed of two or more elements in a fixed, definite proportion is O A. a homogeneous mixture B. a heterogeneous mixture O C. a compound O D. a solution QUESTION 32 Bonds are made by sharing or transferring by the atoms. O A. protons O B. electrons OC. neutrons O D. photons QUESTION 33 Potassium (K) is a/an O A. noble gas OB. transition metal O C. alkali metal O D. alkaline earth metal

Sulfur is a bright yellow solid at room temperature. It is one of the components in gunpowder, matches, and fireworks. It is added to rubber to make it tougher (vulcanization) and to topical ointments for the treatment of skin disorders. a. What is the molecular formula? b. How many electrons and protons are there in an atom of sulfur? c. Two atoms of sulfur combine with two atoms of chlorine. Is this compound a molecule? What is its name and formula? d. How many neutrons are there in the isotope S-36? e. The naturally occurring isotopes of sulfur, their atomic masses, and abundances are: S-32 :31.97207 amu – 94.93% S-33 : 32.97146 amu – 0.76 % S- 34: 33.96786 amu – 4.29 % S- 36 :35.96708 amu – 0.02 % What is the average atomic mass for sulfur? Show the detailed solution. f. How many atoms are there in 12.55 grams of elemental sulfur (S) ? g. What is the mass of a billion atoms of sulfur? h. Sulfur can combine with oxygen in many different ways. Give five examples of that compound and…

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Chapter 1 Solutions

General, Organic, and Biological Chemistry

Ch. 1.1 - Prob. 1QQ Ch. 1.1 - Which of the following is classified as matter? a....Ch. 1.1 - Prob. 3QQ Ch. 1.2 - Prob. 1QQ Ch. 1.2 - Prob. 2QQ Ch. 1.2 - Prob. 3QQ Ch. 1.3 - Prob. 1QQ Ch. 1.3 - Prob. 2QQ Ch. 1.3 - In which of the following pairs of properties are...Ch. 1.4 - Prob. 1QQ

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Write the chemical symbol for each member of the following pairs of elements. a. Sodium and sulfur b. Magnesium and manganese c. Calcium and cadmium d. Arsenic and argon

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Chapter 1 Solutions