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The atomic weight scale is based upon international agreement that?
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∙ 14y ago
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The atomic number is based on what?
It is based on number of protons. Consider an element has 20 protons.Its atomic number is twenty.
How many moles in the compound magnesium sulfate and water?
Based on the atomic weights of the 4 relevant elements, you can convert the weight of a chemical into moles. If you do not tell us the weight, we cannot perform the conversion.
How did Henry Moseley affect the development of the periodic table?
He discovered that each element has its own atomic number.In 1914 Henry Moseley found a relationship between an element's X-ray wavelength and its atomic number (Z), and therefore resequenced the table by nuclear charge rather than atomic weight. Before this discovery, atomic numbers were just sequential numbers based on an element's atomic weight. Moseley's discovery showed that atomic numbers had an experimentally measurable basis.
How are the densities for the elemental solids aluminum iron and gold related to their positions on the periodic table?
Density is one of the three measurements (Density, Mass, and Volume) that contribute to the universal (okay, earthly) measurement of weight. When you look at the periodic table, it is arranged in order of atomic number, which is based off it's atomic weight.
How the first atomic theory was formed?
john dalton develop an atomic theory in 1803, based on idea of the atomic exsiting
The atomic weight scale is based upon international aggrement that?
Carbon-12 weighs exactly 12 atomic Mass units
Who made the periodic table based on atomic weight?
Dmitri Mendeleev and Lothar Mayer (independently).
How many examples of the Periodic table can you find?
I can find only two types The Mendeleves Periodic table based on Atomic weight of elements and The Modern Periodic table based on Atomic number of elements.
What is the difference between atomic percent and weight percent?
Atomic percent is based on the number of atoms in a sample. So if the sample has x number of oxygen atoms and x number of iron atoms it would report 50% oxygen and 50% iron (atomic percent). Weight percent is based on the mass of the elements detected. So if we used the above example and reported the results as weight percent we would get 22.3% oxygen and 77.7% iron. Weight percent takes into consideration the mass or atomic weight of the elements and not just the number of atoms. Most people use weight percent although for chemistry atomic percent may be more useful.
What does the atomic mass minus atomic number tell you about the element?
Atomic mass minus atomic number will give you the average number of neutrons in that element. Bear in mind that atomic mass is based on the actual weight of that element, which is the result of whatever isotopes appear in nature; it is rarely based on only a single isotope.
Was the modern periodic table organized according to atomic mass?
No, it is based upon the Atomic Number - the number of protons contained within an atomic nucleus is what 'distinguishes' one type of Atom from another type. Variations in atomic mass are secondary in consideration.
What method did Dmitri Mendeleev use to organize the periodic table of elements?
Atomic weight.
How did Henry Moseley revise mendeleevs periodic table?
In 1914 Henry Moseley found a relationship between an element's X-ray wavelength and its atomic number (Z), and therefore rearranged the table by nuclear charge / atomic number rather than atomic weight. Before this discovery, atomic numbers were just sequential numbers based on an element's atomic weight. Moseley's discovery showed that atomic numbers had an experimentally measurable basis.
Standard atomic mass is based on what element?
Carbon 12 isotope weighs exactly 12 atomic mass units thank you the other person who said it was B is a douche
The atomic number is based on what?
It is based on number of protons. Consider an element has 20 protons.Its atomic number is twenty.
When did mosley create his periodic table?
1914. In 1914 Henry Moseley found a relationship between an element's X-ray wavelength and its atomic number (Z), and therefore resequenced the table by nuclear charge rather than atomic weight. Before this discovery, atomic numbers were just sequential numbers based on an element's atomic weight. Moseley's discovery showed that atomic numbers had an experimentally measurable basis.
What discovery did Henry Moseley lead him to reorganize the periodic table?
In 1914 Henry Moseley found a relationship between an element's X-ray wavelength and its atomic number (Z), and therefore resequenced the table by nuclear charge rather than atomic weight. Before this discovery, atomic numbers were just sequential numbers based on an element's atomic weight. Moseley's discovery showed that atomic numbers had an experimentally measurable basis.
