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Chapter 2: Q. 1 (page 57)

How many neutrons do carbon-12 and carbon-13 have, respectively?

Short Answer

Expert verified

Carbon-12 have six neutrons and carbon 13 have seven neutrons.

Step by step solution

01

Introduction

The different forms of an element, which exhibits the identical number of protons, however a distinct number of neutrons are calledisotopes. Some of the elements, like carbon and potassium possess naturally occurring isotopes.

02

Explanation

The atomic number of carbon is 6, and carbon has two stable isotopes with mass numbers of 12 and 13. In carbon-12, there are six protons, six electrons, and six neutrons, thus, it has a mass number of 12, due to six neutrons and six protons. On the other hand, the isotope carbon-13 has six protons, seven neutrons, and six electrons, thus, its atomic mass is 13 due to the presence of six neutrons and six protons.

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Most popular questions from this chapter

An atom may give, take, or share electrons with another atom to achieve a full valence shell, the most stable electron configuration. Looking at this figure, how many electrons do elements in group 1 need to lose in order to achieve a stable electron configuration? How many electrons do elements in groups 14 and 17 need to gain to achieve a stable configuration?

Discuss how buffers help in prevent drastic swings in pH.

Which of the following is not a functional group that can bond with carbon?
a. sodium
b. hydroxyl
c. phosphate
d. carbonyl

Potassium has an atomic number of 19. What is its electron configuration?

A. shells 1 and 2 are full, and shell 3 has nine electrons
B. shells 1, 2 and 3 are full and shell 4 has three electrons
C. shells 1, 2 and 3 are full and shell 4 has one electron
D. shells 1, 2 and 3 are full and no other electrons are present

Compare and contrast saturated and unsaturated triglycerides.
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