Ihave questions
in ionic compounds containing polyatomic ions
should i have to put a brackets in each one in write the formulas for the following compounds ?
or when i have to put bracket ?
quick ♥️

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?

Which tool is least in predicting weather

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false