chemisrty
posted by bex .
I have seen on the chemistry answers that a symbol is used please can you tell me what it means they are the upside v
eg Na^ and CN^
It means that the number or symbol that follows is placed in the top corner of Symbol before it
E.g cm^3 or CN^
you just cant write them on here
so what does H^+ mean?
The ^ is a caret. It means that the following typed "whatever" is a superscript. We can't write superscripts (without a lot of trouble). Neither can we write subscripts without a lot of trouble, which is why we write H2O instead of H_{2}O.
For example, H^+ means H^{+} which is hydrogen ion. And (H^+) means (H^{+}) and that means "concentration of hydrogen ion."
Na^+ means sodium ion and CN^ means cyanide ion. They should be written as Na^{+} and CN^{} but the ^ is an easier way to do it.
ok, thanks
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