What term describes information and graphs by using numbers?

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

What does the symbol (–hfus) indicate in a phase change?

How many grams of mgbr2 are needed to produce 75g or metal?