Yes it is. thats why unicorns can fly
Henry Moseley is the scientist who discovered that the atomic number rather than the atomic weight is more responsible for the properties of an element.
one more proton, and electron
No, the atomic number of an element can't change. Because, we can identify an element by its atomic number and atomic mass. and hence they have been arranged in the periodic table on the basis of their mass number and atomic mass so , it couldn't be changed. Every element has a fixed atomic number..
Kripton is a non metal element. Atomic mass of it is 83.80.
Atomic number is the number of protons. Atomic mass is (mostly) the sum of the masses of the protons and neutrons (more or less).
An element can have a number of isotopes with different atomic mass but will always have the same atomic number. Some elements can also form two or more allotropes that can have different molecular formulas, for example oxygen can be O2 or O3.
There is one element in a compound for each of the distinct* atomic symbols in a properly written formula for the compound (not element!); in this instance, three elements: potassium, oxygen, and hydrogen.____________________________*In some compounds, an atomic symbol occurs more than once; for example, the formula for ammonium nitrate is NH4NO3, but the two occurrences of "N" represent the same element.
A compound: any formula that contains more than one kind of atomic symbols represents a compound.
No. Atomic number defines the element.
the element that has the atomic number of 8 is OXYGEN EMAIL @: GUESSWH2@GMAIL.COM IF YOU HAVE MORE QUESTIONS
To work this out you need the formula of the compound and your periodic table to tell you the relative atomic masses of each element. First add up all the relative atomic masses to get the relative formula mass. Then for each element in turn, take its relative atomic mass (multiplying up if there is more than one of it in the formula) and divide by the relative formula mass, then multiply by 100 to get a percentage. I'm not going to give you the answer - partly because then you'll never practise doing it for yourself, and partly because I wonder if you meant magnesium permanaganate, or the more usual school compound of potassium permanganate, KMnO4.
Na(sodium) has an atomic mass of 29.99, or about 30amu. Cl(chlorine) has an atomic mass of 35.453, or about 35amu. therefore, the one with more mass is chlorine. u kno this because the greater number is chlorine's. ^^ o and neither has more atoms in the formula than the other; ther r no subscripts in the formula, which means that ther is only 1 Na atom and 1 Cl atom. ^^ hope this helps! ^_^
Henry Moseley is the scientist who discovered that the atomic number rather than the atomic weight is more responsible for the properties of an element.
one more proton, and electron
one more proton, and electron
"Fluor" is an informal name for a mineral that contains more than one element and therefore does not have any atomic number. The element fluorine has an atomic number of 9.
Thallium is an element on the periodic table. It's atomic number is 81.Because it is an element, I don't understand what you mean by "its formula".The symbol for Thallium is Tl, so the formula would be Tl...If you want the formula for a compound with thallium, that's a different story.It is not a diatomic element, if that's what you meant.For more information on thallium, go tohttp://en.wikipedia.org/wiki/Thallium