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The atomic number is equal to the number of protons of that particular element. Sometimes it is displayed as lower-left corner subscript, while the massnumber of an isotope of that element is displayed at the upper-left superscrip.
Example: Uranium(235) is written as 92235Uor 23592U .
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What is the number of atomic mass?
the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number)
Atomic weight is equal to the?
Atomic weight/ mass = number of protons + number of neutrons
The atomic mass of Cu-63 is expressed to what number of significant figures?
The atomic mass of Cu-63 should be expressed to two significant figures, which are 63.
What is the number of neutrons equal to What minus what?
The number of neutrons in an atom is equal to the mass number minus the atomic number. The mass number is the total number of protons and neutrons in the nucleus, while the atomic number represents the number of protons. Therefore, the equation can be expressed as: Neutrons = Mass number - Atomic number.
What is the number of neutrons is equal to What minus what?
The number of neutrons in an atom is equal to the mass number minus the atomic number. The mass number represents the total number of protons and neutrons in the nucleus, while the atomic number indicates the number of protons. Therefore, the formula can be expressed as: Neutrons = Mass Number - Atomic Number.
What do you do with an atomic number and an atomic mass?
The atomic number is the number of a chemical element in the periodic table of Mendeleev; the atomic number is equal to the number of protons and electrons. The atomic mass is the mass of an atom expressed in relative atomic mass units.
What is an elements atomic mass?
it is the total number of protons plus the total number of neutrons expressed in atomic mass units
What is the number of atomic mass?
the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number)
Atomic weight is equal to the?
Atomic weight/ mass = number of protons + number of neutrons
The atomic mass of Cu-63 is expressed to what number of significant figures?
The atomic mass of Cu-63 should be expressed to two significant figures, which are 63.
What is the difference of a atomic number and atomic weight?
Atomic number is the number of a chemical element in the periodic table of Mendeleev; it is equal in the neutral state with the number of protons or electrons. Atomic weight is the mass of a chemical element (considering the isotopic composition) expressed in atomic mass units.
What is Barium expressed as an integer?
Barium, a chemical element with the symbol Ba, has an atomic number of 56. This means that, when expressed as an integer, Barium is represented by the number 56.
Is atomic weight and mass number the same?
Mass number: sum of protons and electrons in the nucleus of an isotope. Atomic weight: mass of a chemical element expressed in unified atomic mass units.
What are the relative atomic mass and the atomic number?
Atomic number:- the number of a chemical element in the periodic table of Mendeleev- a number equal to the number of protons in the atomic nucleus- a number equal to the number of electrons in the neutral atomRelative atomic mass: the mass of an isotope expressed in atomic mass units(1 amu= 1/12 atomic mass of the isotope 12C).For chemical elements the term atomic weight is reccomended by IUPAC.
What is a atomic mass for?
the Atomic Mass is how much an element weighs
What is the number of neutrons equal to What minus what?
The number of neutrons in an atom is equal to the mass number minus the atomic number. The mass number is the total number of protons and neutrons in the nucleus, while the atomic number represents the number of protons. Therefore, the equation can be expressed as: Neutrons = Mass number - Atomic number.
What is the number of neutrons is equal to What minus what?
The number of neutrons in an atom is equal to the mass number minus the atomic number. The mass number represents the total number of protons and neutrons in the nucleus, while the atomic number indicates the number of protons. Therefore, the formula can be expressed as: Neutrons = Mass Number - Atomic Number.
