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If an atom of an element has a mass number of 31 and 16 neutrons in its nucleus what is the atomic number of the element?
Wiki User
∙ 7y ago
12. the atomic number of an element is the number of protons in it's nucleus. The mass number is the number of protons+neutrons. Therefore the element has (32-20)12 protons.
Wiki User
∙ 14y ago
Wiki User
∙ 8y agoThis is the isotope copper-62.
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When you subtract the atomic number from the atomic mass of any element you get what?
Atomic mass= Atomic no. + no. of neutrons So when the atomic no. is subtracted from the atomic mass, the result would be equal to the number of neutrons present in the nucleus of the atom of the element.
Is the electron cloud of an atom the isotope?
No.The cloud of electrons surround the atomic nucleus and, for each individual element, there are a different number of electrons in the cloud. This number of electrons is matched by the samenumber of protons in the atomic nucleus.However, the atomic nucleus also contains neutrons, and there is a variable number of neutrons in the nucleus. It is this variation in the number of neutrons that makes the isotopes of an element.
What do isotopes and nucleus have in common?
All the isotopes of a chemical element have the same atomic number, number of protons and number of neutrons.
Isotopes are atoms of the same element that have a different number of .?
Masses.
What describes the atomic number of an atom?
It is the number of protons contained with the nucleus, this defines which element it is. If the atom has neutral charge then it will also be equivalent to the number of electrons orbiting the nucleus.
How do you calculate the number of neutrons an element has in its nucleus?
You need to find the atomic number, and the atomic mass. The atomic number i the number of PROTONS in the nucleus, the atomic mass, or mass number, is the number of PROTONS and NEUTRONS in the nucleus. To find the number of neutrons you subtract the atomic number from the mass number.
Is the atomic weight of an element is equal to the number of protons minus the number of neutrons?
Atomic weight of an element is the number of protons plus neutrons in the nucleus, atomic number is the number of protons only.
What is the atomic mass in an element?
The atomic mass in an element is the total number of protons and neutrons in an atom's nucleus.
The atomic weight of an element is determined by what?
The atomic number of an element is determined by the number of protons in its nucleus.
How many neutrons and electrons are in the nucleus of an atom?
The atomic number of a chemical element is equal to the number of electrons or protons. The number of neutrons = Atomic weight of an isotope (rounded) - atomic number of the element (or the number of protons)
When you subtract the atomic number from the atomic mass of any element you get what?
Atomic mass= Atomic no. + no. of neutrons So when the atomic no. is subtracted from the atomic mass, the result would be equal to the number of neutrons present in the nucleus of the atom of the element.
How is the nucleus related to the periodic table?
The nucleus contains the protons and neutrons. The number of protons determines the atomic number of the element and the number of protons and the number of neutrons together determine the atomic mass.
What is the behavior of an element?
An Element's behavior depends PRIMARILY upon the Number of Protons in the Element's [atomic] Nucleus and secondarily upon the number of Neutrons that are included [with the occasional variation] in the Atomic Nucleus.
What is the mass number for element A?
The mass number is the sum of neutrons and protons in an atomic nucleus.
How is the atomic number and mass number different?
The atomic number is the number of protons in the nucleus of an atom of any given element. The mass number is the number of protons and neutrons in the nucleus of an atom of an isotope of an element.
Is the electron cloud of an atom the isotope?
No.The cloud of electrons surround the atomic nucleus and, for each individual element, there are a different number of electrons in the cloud. This number of electrons is matched by the samenumber of protons in the atomic nucleus.However, the atomic nucleus also contains neutrons, and there is a variable number of neutrons in the nucleus. It is this variation in the number of neutrons that makes the isotopes of an element.
What are the atomic number and atomic mass number of?
The atomic number of an element is the number of protons in the nuclei of its atoms. Mass number is the sum of protons and neutrons in the atomic nucleus of a particular isotope of an element.
