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 ♥️

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals

What is the name of the molecular compound s3i9?

Plzzz ? which stores information in discrete steps? a magnet and coil of wire compact discs plastic records amplified speakers