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We can find Atomic Mass and mass number in chemical elements. Atomic Mass is about weight of the atom. Mass number is about total of neutrons and protons.
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What best describes the number of neutrons in an atom?
It is equal to the difference between atomic number and Atomic Mass number. A+
What is the difference between mass number and atomic mass?
Atomic Mass is the average of the masses of the existing isotopes in an element, but the mass number is the sum of the protons and neutrons in the nucleus of an atom.
What is the difference between the mass number and average atomic mass in chemistry?
The mass number is the total number of protons and neutrons in an atom's nucleus, while the average atomic mass is the weighted average of the masses of all isotopes of an element, taking into account their abundance.
Explain what evidence is available on the periodic table that supports the idea of isotopes?
the difference between the atomic number and the average weight
What is the difference between the atomic number an its atomic mass?
Atomic number is the amount of electrons. Atomic mass is the amount of protons and neutrons.
What is the difference between an elements atomic mass and its number?
The atomic number is the number of protons or, equivalently, the number of electrons. The Atomic Mass also includes the neutrons. Furthermore, the atomic mass is an average of the isotopes of the element weighted according to their abundance.
What is the difference between number of protons and neutrons and atomic number?
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What is the difference between americium and neptunium?
Neptunium has the atomic number 93 and americium has the atomic number 95.
What is the difference between average atomic mass and mass number?
The average atomic mass is the weighted average of the masses of all naturally occurring isotopes of an element, taking into account their abundance. The mass number, on the other hand, represents the total number of protons and neutrons in the nucleus of an atom, and it is a whole number.
What is the difference between mass number relative atomic mass and average atomic mass?
The mass number is the total number of protons and neutrons in an atom's nucleus. Relative atomic mass is the weighted average mass of all the isotopes of an element, taking into account their natural abundance. Average atomic mass is the weighted average mass of an element's isotopes in a given sample, considering their abundance in that sample.
What is an element with 20 neutrons?
Calcium-40: The atomic number of calcium is 20 and the number of neutrons is always the difference between the atomic mass and the atomic number.
What is the difference between the atomic number and the valence number of an atom?
Describe the reactivity of halogens
