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Chapter 2: Problem 2

Describe what all isotopes of magnesium have in common and also how are they different.

Short Answer

Expert verified
All isotopes of Magnesium have 12 protons and 12 electrons, hence they have the same atomic number and exhibit identical chemical behavior. However, they differ in the number of neutrons they have, and hence in their atomic masses. Magnesium-24, Magnesium-25, and Magnesium-26 have 12, 13 and 14 neutrons respectively.

Step by step solution

01

Understanding Isotopes

Isotopes are atoms of a single element that have different numbers of neutrons in their nucleus. All isotopes of a particular element have the same number of protons, and hence the same atomic number, but differ in their atomic masses due to the varying number of neutrons.
02

Defining characteristics of Magnesium Isotopes

Magnesium has three stable isotopes. They all have the same number of protons (12) and electrons (12), therefore, they all behave the same chemically. This is what all isotopes of magnesium have in common.
03

Differences among Magnesium Isotopes

The magnesium isotopes are different from each other in terms of their number of neutrons and hence their atomic masses. Magnesium-24 has 12 neutrons, Magnesium-25 has 13 neutrons, and Magnesium-26 has 14 neutrons. Therefore, they are distinguished by their atomic masses: 24, 25, and 26 respectively.

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Most popular questions from this chapter

Does any carbon atom have a mass of \(12.011\) amu? Does any magnesium atom have a mass of \(24.305\) amu?

For any large collection of chlorine atoms (randomly selected): a) What is the average atomic mass of chlorine in amu? b) What is the average mass of a chlorine atom in grams?

How many isotopes of magnesium occur naturally on Earth?

If you select one carbon atom at random, the mass of that atom is most likely to be ______ amu.

Give two interpretations of the number "12.011" found below the symbol for carbon on the periodic table.
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