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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

What makes ionic bonds different from covalent bonds?

Why are hydrogen bonds and van der Waals interactions necessary for cells?

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

Atoms that vary in the number of neutrons found in their nuclei are called ________.

A. ions
B. neutrons
C. neutral atoms
D. isotopes

If xenon has an atomic number of 54 and a mass number of 108, how many neutrons does it have?

A. 54
B. 27
C. 100
D. 108
See all solutions

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