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hi well c-12 has not actually been given a unit. we know that the 12 means that it is exactly 12 units (unknown to us) in c-12. generally things are compared in relation to the mass of a c-12 atom. Something might be 1.5 times bigger relative to c-12 giving us X with 18 units. To answer your question, the half of the mass of c12 is 6 units. like i said unit is unknown but it is only used as a relative to compare the mass of other atoms because taking the mass of any one atom is irrelevant.
What else can I help you with?
What is the mass of a carbon atom?
The mass of a carbon atom is approximately 12 atomic mass units.
Mass number for carbon?
The mass number for carbon is 12, which represents the total number of protons and neutrons in the nucleus of a carbon atom.
How many protons and neutrons does a carbon atom with a mass number of 12 have?
A carbon atom with a mass number of 12 has 6 protons (which is the atomic number of carbon) and 6 neutrons.
How many times an atom of carbon is heavier than atom of carbon?
You need to restate your question as you have asked the difference between something and itself.
What is the mass in grams of 100 atoms of the carbon 12 isotope?
100 atoms of C-12(12g/6.022x10^23) = 1.993x10^-21g
What is the mass of a carbon atom?
The mass of a carbon atom is approximately 12 atomic mass units.
What is the mass number of carbon atom?
The mass number of a carbon atom is 12. This number represents the total number of protons and neutrons in the nucleus of the carbon atom.
Mass of a carbon atom?
12
The mass of an atom compared to the mass of a carbon-12 atom is called the?
Isotope.
What is the atomic mass of an atom if its mass is approximately one third that of carbon 12?
The atomic mass number of an atom, if the atom's mass number is approximately equal to 0.33 that of carbon-12, would be 4. If the question is about actual masses rather than mass numbers, the mass of a helium-4 atom is about 4.00260 atomic mass units, while the mass of a carbon-12 atom is, by definition, exactly 12.000..... atomic mass units.
What is the atomic mass of carbon 12?
The atomic mass of carbon-12 is defined as 12 atomic mass units (amu). This corresponds to the mass of a single carbon-12 atom relative to 1/12th of the mass of a carbon-12 nucleus.
What is relationship between atomic mass and average atomic mass?
The average atomic mass is the ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon-12. It is, the mass of an atom of the substance, rescaled so that carbon-12 would have a mass of 12.
Atomic mass of an element?
The atomic mass of an element is the relative mass of its atom as compared with the mass of a carbon-12 atom taken as 12 units.
Mass number for carbon?
The mass number for carbon is 12, which represents the total number of protons and neutrons in the nucleus of a carbon atom.
What is the atomic mass unit of a carbon atom?
Carbon is a non meta element. Atomic mass of it is 12.
What isotope defines the atomic mass unit?
Carbon-12 isotope is used to define the atomic mass unit, which is equal to 1/12th of the mass of a carbon-12 atom.
What is 112 the mass of a carbon atom?
A carbon 12 atom has a mass defect of .098931 u. This number, the mass defect, represents the binding energy of the nucleus of the nucleus of the atom, and how energy has to be used to split this nucleus.
