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Chapter 2: Problem 1

How many isotopes of magnesium occur naturally on Earth?

Short Answer

Expert verified
Three isotopes of Magnesium occur naturally on Earth.

Step by step solution

01

Understanding What Isotopes Are

Isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number. All isotopes of a given element have the same number of protons but different numbers of neutrons in each atom.
02

Researching Magnesium Isotopes

Look for a reliable source of information that lists the naturally occurring isotopes of Magnesium. Typically these resources will include scientific textbooks, peer-reviewed articles, or scientific databases. In this case, Magnesium has three stable, naturally occurring isotopes: \(^{24}Mg\), \(^{25}Mg\), and \(^{26}Mg\).
03

Counting the Isotopes

Count the number of isotopes listed for Magnesium. In most resources, there are three isotopes listed for Magnesium which occur naturally on Earth.

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Most popular questions from this chapter

Which has more atoms: \(1.008 \mathrm{~g}\) of hydrogen or \(39.95 \mathrm{~g}\) of argon? Explain your reasoning.

Without using a calculator, a) Which weighs more, 18 elephants or two dozen elephants? b) Which weighs more, \(5.136 \times 10^{23}\) sodium atoms or one mole of sodium atoms?

For a large collection of (randomly selected) magnesium atoms: a) What is the average atomic mass of magnesium, \(\mathrm{Mg}\), in amu? b) What is the average mass of a \(\mathrm{Mg}\) atom in grams?

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

Find the symbol for chlorine on the periodic table. a) How does the number given just below the symbol for chlorine (rounded to \(0.01\) ) compare with the average mass (amu) of one chlorine atom? b) How does the number given just below the symbol for chlorine (rounded to 0.01) compare with the mass (grams) of \(6.022 \times 10^{23}\) chlorine atoms?
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