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The relative atomic mass of hydrogen is 1 and for oxygen it's 16. This gives water (which has the formula H2O) a molecular mass of 18.

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What you the mass number of H2o?

The mass number of water (H2O) is calculated by summing the atomic masses of its components. Hydrogen has an atomic mass of 1 and oxygen has an atomic mass of 16. Therefore, the mass number of water is 18.


Does water have a mass of 18 grams?

It is water's molecular weight or mass number that equals 18 atomic mass units


A molecule of water is composed of two atoms of hydrogen and one atom of oxygen if the atomic mass number of hydrogen is 1 and the molecular mass of water is 18 the atomic mass of oxygen must be?

The molecular mass of water (H2O) is 18, which means the total mass of one oxygen atom and two hydrogen atoms is 18. Since the atomic mass number of hydrogen is 1, the atomic mass of oxygen can be calculated as 16 (18 - 2).


What is the atomic number for ice?

ice is solid form of water so doesn't have atomic number its atomic mass will be 18


What is the atomic mass of honey?

The atomic mass of honey is not a well-defined value as honey is a complex mixture of sugars, water, minerals, and other compounds. It does not have a single atomic mass like an element on the periodic table.


What is the atomic mass of a Hydrogen and oxygen atom?

If the atomic mass of water is 18 and the atomic mass of hydrogen is 1 then the atomic mass of oxygen is 16


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 (or weight) of silver is 107.8682 amu (atomic mass units)


What is the atomic mass of aluminum?

The atomic mass number of aluminum is 27. The atomic mass of aluminum is 26.98115386


Which has the lower atomic mass cobalt or nickel?

Cobalt has an atomic mass of 58.933195(5) while nickel has an atomic mass of 58.6934(4). Nickel has the lower atomic mass.