Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 2, Problem 4RQ
An isotope of sodium (Na) has a mass number of 22. How many neutrons does it have?
a. 11
b. 12
c. 22
d. 44
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An isotope of sodium (Na) has a mass number of 22. How many neutrons does it have?a. 11b. 12c. 22d. 44
A sodium atom has 11 protons and 12 neutrons. What is the atomic number of sodium?
Multiple Choice
A. 34
B. 12
C. 23
D. 11
If you added one more proton to an atom of iron, then what element would it become?
A. Cobalt
B. Ruthenium
C. Manganese
Chapter 2 Solutions
Concepts of Biology
Ch. 2 - Figure 2.3 How many neutrons do (K) potassium-39...Ch. 2 - Magnesium has an atomic number of 12. Which of the...Ch. 2 - Which type of bond represents a weak chemical...Ch. 2 - An isotope of sodium (Na) has a mass number of 22....Ch. 2 - Which of the following statements is not true? a....Ch. 2 - Using a pH meter, you find the pH of an unknown...Ch. 2 - The pH of lemon juice is about 2.0, whereas tomato...Ch. 2 - An example of a monosaccharide is ________. a....Ch. 2 - Cellulose and starch are examples of______. a....Ch. 2 - Phospholipids are important components of_______....
Ch. 2 - The monomers that make up proteins are...Ch. 2 - Why are hydrogen bonds and van der Waals...Ch. 2 - Why can some insects walk on water?Ch. 2 - Explain why water is an excellent solvent.Ch. 2 - Explain at least three functions that lipids serve...Ch. 2 - Explain what happens if even one amino acid is...
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