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Strontium: Deep Dive into Its Isotopes & Atomic Structure
Chapter 0, Problem 4.36(choose chapter or problem)
Strontium has four naturally occurring isotopes, with mass numbers 84, 86, 87, and 88.
a. Write the atomic symbol for each of these atoms.
b. How are these isotopes alike?
c. How are they different?
d. Why is the atomic mass of strontium listed on the periodic table not a whole number?
e. Which isotope is the most prevalent in a sample of strontium?
Questions & Answers
QUESTION:
Strontium has four naturally occurring isotopes, with mass numbers 84, 86, 87, and 88.
a. Write the atomic symbol for each of these atoms.
b. How are these isotopes alike?
c. How are they different?
d. Why is the atomic mass of strontium listed on the periodic table not a whole number?
e. Which isotope is the most prevalent in a sample of strontium?
ANSWER:Step 1 of 5
(a)
Isotopes of an element have the same number of protons but different numbers of neutrons.
From the given,
The mass number of the isotopes of strontium is 84,86,87,88.
The atomic number of strontium = 38
The atomic symbols are as follows.
\({ }_{38}^{84} \mathrm{Sr}_{38}^{86} \mathrm{Sr}{ }_{38}^{87} \mathrm{Sr}{ }_{38}^{88} \mathrm{Sr}\)
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Strontium: Deep Dive into Its Isotopes & Atomic Structure
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