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a hyphen connects two words, a dash gives a pause between two words....
Ideally, yes
Because the difference between 100,000,000 and -100,000,000 is greater than a hyphen. Mathematical sentences without symbols would be as nonsensical as regular sentences without verbs: they tell you what to do.
A hyphen.
hyphen
These symbols are:5626U and Fe-56.
a hyphen connects two words, a dash gives a pause between two words....
Extract from the mass number (in the hyphen notation) the atomic number.
The only difference is the hyphen.
Rn-222
Ge-73
A comma looks like this , a comma separates phrases or connects two or more sentences. A hyphen looks like this - a hyphen connects words or parts of words to make a new word.
If you mean the word for 19, then there is no hyphen and it is nineteen, not nine-teen.
This symbol is Tc-99m.
Element - Atomic Mass # Example: Carbon - 12
No, a hyphen is not needed.
No, a hyphen is not needed.