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Q: How is the number of molessof an element determined from a known mass?
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How is a number of moles of an element determined from a known mass?

The number of moles is mass in g/molar mass in g.


How is the number of moles of an element determined froma known mass?

the molar mass is used as a conversion factor to convert grams to moles


How is the number of moles of an element determined from the known mass?

The molar mass is the measurement of mass per one mole of a substance. If the mass of a matter is known, divide it from the molar mass to obtain the number of moles.


How is the number of moles of an element determined from known mass?

The molar mass is the measurement of mass per one mole of a substance. If the mass of a matter is known, divide it from the molar mass to obtain the number of moles.


The is determined by the number of protons in an atom?

The number of protons in the nucleus of an atom is known as the atomic number, which determines the chemical element, essentially different numbers of protons mean change the element you are looking at and hence the properties and reactions of that element.


How is an unknown oxidation state of an element within a compound determined?

It is determined from known oxidation states of other elements.


What is the element number on an element?

the number on an element is known as the atomic number. It states the number of protons or electrons found in an atom


What part of the atom makes an element that element?

The number of protons, also known as the atomic number of the element.


How is an unknown oxidation state of an element within a compound?

It is determined from known oxidation states of other elements.


What are element that differ in the number of neutrons known as?

Atoms of the same element that differ in the number of neutrons they contain are known as isotopes.


Can an atom be determined by knowing the number of neutrons?

No, only by the atomic number, also known as the number of protons.


What element has an atomic number of 225?

No currently known element has an atomic number of 255. If you look at the periodic table, you will see that the element with the highest atomic number is ununoctium, which has atomic number 118.