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How many neutrons does a platinum atom have?
Platinum atom has 78 protons and electrons; the number of neutrons is variable and depends on the atomic mass of the isotope (atomic mass of the isotope - atomic number = number of neutrons). The stable isotopes have 114, 116, 117, 118, or 120 neutrons.
Cesium-133 has an atomic number of 55 It has neutrons?
Cesium-133 has an atomic number of 55, which means it has 55 protons in its nucleus. Since the atomic number represents the number of protons, the number of neutrons in an atom of cesium-133 can be calculated by subtracting the atomic number from the atomic mass.
If an isotope known as iodine 131 has 53 protons How many neutrons does is have A 78 B 53 C 68 or D 184?
B. 53 neutrons. The number of neutrons in an atom is calculated by subtracting the number of protons from the atomic mass of the isotope. Since Iodine-131 has an atomic mass of approximately 131, and it has 53 protons, the number of neutrons is 131 - 53 = 78.
How many protons an neutrons make up an atom of Krypton-78?
An atom of Krypton-78 contains 36 protons and 42 neutrons. Krypton has an atomic number of 36, which corresponds to the number of protons. Subtracting the atomic number from the atomic mass gives the number of neutrons.
How many electron are in this element 193Pt?
78. This is the atomic number of platinum, and any platinum isotope will have this number of electrons per atom.
How many neutrons does a platinum atom have?
Platinum atom has 78 protons and electrons; the number of neutrons is variable and depends on the atomic mass of the isotope (atomic mass of the isotope - atomic number = number of neutrons). The stable isotopes have 114, 116, 117, 118, or 120 neutrons.
Cesium-133 has an atomic number of 55 It has neutrons?
Cesium-133 has an atomic number of 55, which means it has 55 protons in its nucleus. Since the atomic number represents the number of protons, the number of neutrons in an atom of cesium-133 can be calculated by subtracting the atomic number from the atomic mass.
How many nucleons are in the atom of iodine-131?
The 131 number is the mass number: the sum of the number of protons and neutrons. Iodine has 53 protons and will have 53 electrons if its a neutral atom. To find the number of neutrons, just subtract the mass number with the number of protons 131 - 53 = 78 neutrons. See link below for periodic table.
If an isotope known as iodine 131 has 53 protons How many neutrons does is have A 78 B 53 C 68 or D 184?
B. 53 neutrons. The number of neutrons in an atom is calculated by subtracting the number of protons from the atomic mass of the isotope. Since Iodine-131 has an atomic mass of approximately 131, and it has 53 protons, the number of neutrons is 131 - 53 = 78.
How many protrons and neutrons are in iodine?
you can find the number of protons by looking at the atomic number (53), as the number of protons does not change between isotopes. You can find the number of neutrons by subtracting the atomic number from the Atomic Mass (131), therefore, iodine-131 has 53 protons and 78 neutrons.
How many neutrons and protrons are in iodine-131?
you can find the number of protons by looking at the atomic number (53), as the number of protons does not change between isotopes. You can find the number of neutrons by subtracting the atomic number from the atomic mass (131), therefore, iodine-131 has 53 protons and 78 neutrons.
How many protons an neutrons make up an atom of Krypton-78?
An atom of Krypton-78 contains 36 protons and 42 neutrons. Krypton has an atomic number of 36, which corresponds to the number of protons. Subtracting the atomic number from the atomic mass gives the number of neutrons.
How many electron are in this element 193Pt?
78. This is the atomic number of platinum, and any platinum isotope will have this number of electrons per atom.
What is the number of protons for platinum?
Platinum is a rare element too. Atomic number of platinum is 78.
How many neutrons does barium have?
Each isotope of an element has a different number of neutrons.Number of neutrons = Atomic mass of the isotope - Atomic number of the elementThe atomic number of barium is 56.For a list of barium isotopes see the link below.The answer it wants is 81.
How many neutrons are in an atom of cesium 137?
In atomic form (as opposed to being an ion), cesium-137 has 55 electrons, just as all cesium atoms have.
What are the number of neutrons in xenon?
Number of neutrons = mass number - atomic number.The number of neutrons for any element will depend on the isotope under consideration. The stable isotopes of xenon are124Xe,126Xe,128Xe,129Xe,130Xe,131Xe,132Xe,134Xeand136Xewith 70, 72, 74, 75, 76, 77, 78, 80 and 82 neutrons respectively.Note: atomic number of xenon = 54.
