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What is the atomic weight of platinium?
Platinumis a chemical element with the chemical symbol Ptand an atomic number of 78.The Atomic Weight of Pt = 195.084
What is the number in front a chemical formula is called?
atomic number or atomic weight. Subscript: atomic number, superscript: atomic weight: 94Pu239 or 239Pu
What element has 121.75 as it's atomic weight?
The element of Antimony (Sb) would have the atomic weight of 121.75.
What is the difference of a atomic number and atomic weight?
Atomic number is the number of a chemical element in the periodic table of Mendeleev; it is equal in the neutral state with the number of protons or electrons. Atomic weight is the mass of a chemical element (considering the isotopic composition) expressed in atomic mass units.
Who determined the relationship between atomic weight and weight relations in chemical reactions?
Not sure.
The atomic weight unit was a system devised to make what?
The correct expression - after IUPAC rules - is atomic weight.The atomic weight unit is necessary to appreciate the atomic weights of chemical elements.
What is the number in front of a chemical formula called-?
atomic number or atomic weight. Subscript: atomic number, superscript: atomic weight: 94Pu239 or 239Pu
What is the atomic number of europium?
Europium, with the chemical symbol Eu, is the chemical element with the atomic number 63.
What is the chemical element 502?
I'm sorry but, there is no Element with either an Atomic Number or an Atomic Weight of 502.
What is the chemical mass for helium?
The atomic weight of helium is 4,002602(2).
What is the atomic number for sulfure?
The atomic number for sulfur id 16 on the Periodic Table of elements and it has the atomic weight/mass of 32.06.and the chemical symbol is the letter "C".
What is the chemical symbol for thorium?
Th atomic number : 90 atomic weight : 232.0381g/mol oxidation number : 4
