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The mass number of an element is the number of?
Mass number is the atomic mass of a particular isotope (apex chem 5.3)
What Element z forms an ion Z3 plus which contains 13 proton?
The element with atomic number 13 is aluminum (Al). When aluminum loses three electrons, it forms an ion with a 3+ charge, written as Al3+. This ion contains 13 protons, as the number of protons in an element's nucleus is equal to its atomic number.
What is the atomic number of NA plus 1?
11...There are 11 electrons in Na1+ the only difference between Na1+ and Na is Na1+ has 1 more proton...there is no difference in electrons. Hope this helps :)
How you can use an atomss mass number and atomic number to determine the number of protons electrons and neutrons in the atom?
number of protons and electrons present in an element is equal to the atomic number of that element while number of neutrons is equal to mass number - atomic number/number of protons/number of electrons.
The mass number is .?
The mass number of an atom is the sum of the number of protons and neutrons in its nucleus. It is represented by the symbol "A" in the notation of X^A_Z, where X is the element symbol, A is the mass number, and Z is the atomic number.
What is the atomic number of F plus the atomic number of An equals the atomic number of this elements?
There is no element whose symbol is An.
What atomic number of F plus the number of Na equals the atomic number of thos element?
The atomic number of F is 9, Na is 11, so F (9) + Na (11) = 20. The element with an atomic number of 20 is calcium (Ca).
What is the atomic number of f plus the atomic number of Na equals the atomic number of this element?
The atomic number of F (fluorine) is 9 and the atomic number of Na (sodium) is 11. Adding them together gives 20, which is the atomic number of calcium (Ca).
What atomic number of f plus the atomic number of Na equals the atomic number of what element?
Calcium=Ca=Atomic number 20 9+11=20
How do you calculate the atomic number of the given element?
protons plus neutrons = atomic number
How do you find the number of electrons for an element?
It is the same as the number of protons if it is a neutral atom, or the number of protons plus the charge of the ion. The number of protons is the atomic number of the element.
Is the atomic weight of an element is equal to the number of protons minus the number of neutrons?
No, the atomic weight of an element is not equal to the number of protons minus the number of neutrons. Atomic weight is the average weight of an element's isotopes taking into account their abundance, which includes the sum of the protons and neutrons in the nucleus.
What is the number of neutrons in magnesium 24?
The # of nuetrons in any element is the Atomic Mass - the # of protons In this case the atomic mass was 24.3 minus the protons (12) equals 12
What is an atomic number and a mass number?
The atomic number is the number of protons in an atom. This number is fixed and determines what element that atom is. The atomic mass is the mass of an atom and is roughly equivalent to the number of protons plus the average number of neutrons that atoms of that particular element.
What atomic number of F plus the atomic number of Na equals the atomic number of this element?
Calcium
What is the element with a plus 35 on its nucleus?
The one with atomic number 35: bromine.
What equals atomic mass minus protons?
Roughly, the number of neutrons. Note that the atomic mass is only approximately equal to the number of protons plus the number of neutrons - there is a relatively small discrepancy, due to the binding energy.
