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The mass number of an element is the Atomic Mass rounded to the nearest whole number. For Example, if the atomic mass is 54.94 (Manganese [Mn]), then the mass number will be 55. You can use the mass number to calculate the amount of neutrons in an isotope.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoMass of an element is the sum of Number of protons and Number of neutrons.
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What is the atomic mass for magnesiam?
Magnesium is a meta element. Atomic mass of it is 24.
What element has the volume of 43 ml and the mass of 305.859?
There is no element with that atomic mass, the element that comes the closest is Ununbium with an atomic mass of 277.0.
How would we know how many moles are in a certain element?
number of moles = mass of the element/molar mass of the element
What is the atomic mass of the element flourin?
Fluorine is a meta element. Atomic mass of it is 19.
If the atomic mass of an element is x what is the mass in grams of 6.021023 atoms of the element?
6.021023x
What determines an element's mass?
the mass of protons + the mass of neutrons = mass of the element
What do you call the mass of an element?
The mass of an element is known as it's ATOMIC Mass.
What the mass percent composition of an element in a molecule?
Percentage composition= (mass of the element/mass of the molecule)*100 The fraction of the molecule's mass that comes from the element's mass
How is the molar mass of an element determined?
the Atomic Mass in g/ml is the molar mass of the element
What is the mass percent composition of an element in a molecule?
Percentage composition= (mass of the element/mass of the molecule)*100 The fraction of the molecule's mass that comes from the element's mass
The molar mass of an element is the mass of one?
the mole of the element
What is this element atomic mass?
mass of protons + mass of neutrons present in the element (as the mass of electrons is practically negligible)
What is the atomic mass for magnesiam?
Magnesium is a meta element. Atomic mass of it is 24.
What is the mass of this element?
Gold is a meta element. Atomic Mass of it is 197.
How is molar mass of an element determined?
the Atomic Mass in g/ml is the molar mass of the element
What element has the volume of 43 ml and the mass of 305.859?
There is no element with that atomic mass, the element that comes the closest is Ununbium with an atomic mass of 277.0.
Which element has the atomic mass of 126.9045?
The element is Iodine (I). It has an atomic mass of about 126.9.
