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a positive sign in an atom symbol denotes an ion, for example, Fe2+
Fe3- represents an ion of iron with a 3- charge. The symbol "Fe" refers to the element iron, and the superscript "-3" indicates that the ion carries a negative charge of 3. The 3- charge means that the ion has gained three electrons to achieve a stable configuration.
There is no element with symbol a or A even
None of them. Cl is the symbol for an atom of chlorine. If it were a compound there would be at least one other symbol, and the same applies to a polar molecule. If it were a negative ion it would be Cl- with the negative sign as a superscript. Chlorine doesn't form positive ions in normal circumstances, but it would be Cl+ , again with the charge as a superscript.
Usually Potassium has a single positive charge, but if you put it in a vacume tube and hit it with electron beams of high voltage you can make it do what ever you want it to do.
Because 'proton' starts with a 'p', and each proton carries one unit of positive charge.
a positive sign in an atom symbol denotes an ion, for example, Fe2+
Protons carry a positive charge and a symbol that represents that charge is a +/
Fe3- represents an ion of iron with a 3- charge. The symbol "Fe" refers to the element iron, and the superscript "-3" indicates that the ion carries a negative charge of 3. The 3- charge means that the ion has gained three electrons to achieve a stable configuration.
the symbol of the element on the right hand corner of the symbol + or - the charge
Potassium, symbol K, charge (number of protons) = 19. Boron, symbol B, charge = 5. Sulfur, symbol S, charge = 16. Xenon, symbol Xe, charge = 54.
The letter H is the chemical symbol for the element hydrogen.
yes
Look at the periodic table. You see that the element that has 16 protons is Sulfur. Electrons have a single negative charge, while protons have a single positive charge, so an ion with 2 more electrons than protons will have a charge of 2-. So, the symbol of the ion would be S2- .
There is no such thing as Na3. Na is the symbol for sodium and as an ion, it will have a +1 charge.
Cation is a positive ion, not an element; for metals the symbol is Mex+.
An ion is an element that, through losing or gaining an electron, has acquired a charge. So, an ion will have a negative (-) or positive (+) symbol next to it. An ion is an element that, through losing or gaining an electron, has acquired a charge. So, an ion will have a negative (-) or positive (+) symbol next to it.