Which statement about distinguishing an ionic compound from a covalent compound by its formula is true? a it is impossible to tell from the formula. b it is determined by the presence of subscripts. c knowing the presence of pluses and minuses determines the difference. d knowing the total number of atomic particles makes it possible.

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Tell me the iupac name of the following compounds: