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Rules to follow while writing a chemical formula for polyatomic ions
In Science, textbook for class IX, chapter $3$ [1,p.38], it states:
The rules that you have to follow while writing a chemical formula are as follows:
in compounds formed with polyatomic ions, the ...
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Atomic mass number and mass number in atomic symbol
In chemistry classes or even many different branches of chemistry textbooks, I am told that the atomic symbol
$$\Large ^A_Z\ce{X}$$
includes the following notations:
$A$ – "atomic mass" or "mass ...
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How do we know the number of atoms in an inorganic compound? [duplicate]
How do we know the number of atoms in an inorganic compound? If there's a question like 'Write the chemical formula for sulfur dioxide', the only thing I managed to do is answer '$\ce{SO}$'. I don't ...
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Brackets in chemical formulas
When you have brackets such as $\ce{Zn(NO3)2}$, if there is a coefficient around the formula such as $\ce{2Zn(NO3)2}$, how would you read this? Would there be 2 zinc atoms, 4 nitrogen and 12 oxygen ...
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