Hydrogen has three known isotopes. The mass numbers of hydrogen’s isotopes are 1, 2, and 3, the most abundant being the mass 1 isotope generally called hydrogen (symbol H, or H) but also known as protium.
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The mass 2 isotope, which has a nucleus of one proton and one neutron and has been named deuterium, or heavy hydrogen (symbol D, or H), constitutes 0.0156 percent of the ordinary mixture of hydrogen.
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Let's review! Isotopes of an element have the same number of protons and electrons but different number of neutrons and different atomic masses. Hydrogen, in particular, has three isotopes: protium or hydrogen-1, deuterium or hydrogen-2 and tritium or hydrogen-3. The most naturally abundant isotope of hydrogen on earth is protium, followed by deuterium, while tritium only has trace and amounts.
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Isotopes of Hydrogen. The three are all isotopes of hydrogen. As you can see, they have the same atomic number, or number of protons, (number at the lower left of the element) but different atomic masses (number at the upper left of the element).
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Besides the number of neutrons and the atomic number, these isotopes of hydrogen also differ in terms of their natural abundance. When we say natural abundance, for isotopes, this refers to the abundance of that isotope found on the planet.
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Not all atoms of an element are identical - atoms of the same element can have different number of neutrons. These different versions of the same element are called isotopes. In this lesson, we will discuss the examples and types of isotopes.
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Isotopes are atoms with the same number of protons but that have a different number of neutrons. Since the atomic number is equal to the number of protons and the atomic mass is the sum of protons and neutrons, we can also say that isotopes are elements with the same atomic number but different mass numbers.
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Protium (hydrogen-1) has an atomic mass of 1.00782504, and is a stable isotope. It has one proton and no neutrons. Protium is also known as ordinary hydrogen. Looking at its natural abundance, it is the most common of all the hydrogen isotopes.
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Hydrogen has three isotopes: hydrogen-1 (protium), hydrogen-2 (deuterium) and hydrogen-3 (tritium). In the following illustration, we can see subscripts and superscripts. The superscripts 1, 2 and 3 written before H are the atomic masses of the isotopes of hydrogen and the subscript 1 is the atomic number.
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We can see that for the isotopes of hydrogen, they have varying number of neutrons. For protium, the number of neutrons is zero; for deuterium, the number of neutrons is one; and for tritium, the number of neutrons is two.
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what are isotopes of hydrogen
Hydrogen-1 or Protium, hydrogen-2 or deuterium, and hydrogen-3 or tritium is isotopes of hydrogen. The isotopes of hydrogen are: Hydrogen-1 or protium, hydrogen-2 or deuterium, and hydrogen-3 or tritium.