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The Atomic Mass of an oxygen atom depends on which isotope of oxygen you are referring to. The AVERAGE atomic mass is approximately 15.9994

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9y ago

Oxyggen is a non meta element. Atomic mass of it is 16.

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Q: What is the atomic mass of an oxygen atom?
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What is the approximate mass of an oxygen atom in atomic mass units?

16 amu


Is the mass of a hydrogen atom is different from the mass of an oxygen atom?

The atomic weight (not mass) of hydrogen is: [1,00784; 1,00811]; the conventional value is 1,008. The atomic weight (not mass) of oxygen is: [15,99903; 15,99977]; the conventional value is 15,999.


Which is the appropriate atomic mass of an atom with 16 neutrons?

oxygen


If an atom had an atomic number of 8 and has an atomic mass of 19 is the atom considered an isotope?

Yes. The element with an atomic number of 8 is oxygen and it's average atomic mass is 15.9994 (rounded to 16).


What is the atom with atomic number 8 and mass number sixteen?

Atomic number 8 and mass number sixteen is Oxygen


He atomic number of oxygen is 8 What is the mass number of an oxygen atom with 7 neutrons?

The atomic mass of oxygen (8 protons + 7 neutrons) is 15.For finding the atomic mass of any element, we have to get sum of number of protons & number of neutrons. Atomic Mass (A) : p+n.p = no. of protons.n = no. of neutrons.


Is oxygen molecular mass twice of its atomic mass?

Molar mass of it is 32gmol-1. It is twice than an atom.


What has a heavier atomic weight gold or oxygen?

The atomic mass of Carbon is 12.0107 The atomic mass of Gold is 196.96657 So an atom of Gold is about 16 times heavier than an atom of Carbon.


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?

16


How do you get the mass number of an atom?

Look on the Periodic Table. The bottim number is the Atomic Mass and the top is the atomic number. ex. The atomic mass for O (oxygen) is 16.


Do carbon and oxygen have the same atomic mass?

They don't contain the same number of particles because some particles are more dense than others making one atom and another atom the same mass but not have the same number of particles.


How many nucleons does an oxygen with a mass number of 17 and an atomic number of 8 have?

There are no 'nucleons' in an Oxygen atom. You mean 'neutrons'. As all the mass of an atom is in its nucleus (made up of 'protons' and 'neutrons') and as the Atomic Number is the count of how many 'protons' there are, if you subtract the Atomic Number form the Atomic Mass, you get the number of 'nutrons'. 17-8=9.