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The molecular mass of a molecule is just the sum of the masses of each atom in it. So if water has a mass of 18, and hydrogen has a mass of 1, and there are two hydrogens and one oxygen in water (it has formula H2O), than oxygen must weigh 16. That is:
18 - (2*1) = 16
You can also look at a Periodic Table, and it will tell you the mass of every element without doing any calculations! See the Web Links to the left of the answer.
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The mass of an atom usually expressed in atomic mass units is its?
Atomic mass.
What is the atomic mass of silver?
The atomic mass of silver is approximately 107.87 atomic mass units.
What is the atomic mass of aluminum?
The atomic mass of aluminum is approximately 26.98 atomic mass units.
Which has the lower atomic mass cobalt or nickel?
Cobalt has a lower atomic mass than nickel. The atomic mass of cobalt is around 58.9 atomic mass units, while the atomic mass of nickel is around 58.7 atomic mass units.
Where is the atomic mass in the periodic table of elements?
The atomic mass of an element is typically found below the element's symbol on the periodic table. It is usually indicated as a decimal number. The atomic mass represents the average mass of all isotopes of that element.
What is bigger the atomic mass or atomic number?
Atomic no.=no. of protons Atomic mass=no. of protons+no. of neutrons Hence, atomic mass is greater
What is the atomic mass-?
The atomic mass is the mass of a molecule, atomic particle or sub-atomic particle.
The mass of an atom usually expressed in atomic mass units is its?
Atomic mass.
What is the atomic mass of silver?
The atomic mass of silver is approximately 107.87 atomic mass units.
What is the atomic mass of aluminum?
The atomic mass of aluminum is approximately 26.98 atomic mass units.
Which has the lower atomic mass cobalt or nickel?
Cobalt has a lower atomic mass than nickel. The atomic mass of cobalt is around 58.9 atomic mass units, while the atomic mass of nickel is around 58.7 atomic mass units.
What is the difference between atomic mass and atomic mass unit?
The atomic mass unit is used to express the measure of the atomic mass.
What is the atomic mass of manganese?
The atomic mass of manganese is approximately 54.94 atomic mass units.
What is the atomic mass of arsenic?
The atomic mass of arsenic is approximately 74.92 atomic mass units.
What is the atomic mass of potassium?
The atomic mass of potassium is approximately 39.10 atomic mass units.
What is sulfers atomic mass?
Sulfur has an atomic mass of approximately 32.06 atomic mass units.
Where is the atomic mass in the periodic table of elements?
The atomic mass of an element is typically found below the element's symbol on the periodic table. It is usually indicated as a decimal number. The atomic mass represents the average mass of all isotopes of that element.
