Which of the following is the most abundant isotope of hydrogen? (2023)

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Question: Which of the following is the most abundant isotope of hydrogen? (2023)

Options:

Correct Answer: Protium

Exam Year: 2023

Solution:

Protium, which has no neutrons, is the most abundant isotope of hydrogen, making up about 99.98% of hydrogen found in nature.

Which of the following is the most abundant isotope of hydrogen? (2023)

Which of the following is the most abundant isotope of hydrogen? (2023)

Step 1: Understand what an isotope is. An isotope is a version of an element that has the same number of protons but a different number of neutrons.
Step 2: Know that hydrogen has three isotopes: Protium, Deuterium, and Tritium.
Step 3: Identify Protium. Protium is the isotope of hydrogen that has 1 proton and 0 neutrons.
Step 4: Identify Deuterium. Deuterium has 1 proton and 1 neutron.
Step 5: Identify Tritium. Tritium has 1 proton and 2 neutrons.
Step 6: Compare the abundance of these isotopes. Protium is the most common, making up about 99.98% of all hydrogen in nature.
Step 7: Conclude that Protium is the most abundant isotope of hydrogen.

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