Can someone plss help me asap !! which metal has a soluble carbonate, chloride and sulfate ?

a. copper

b. potassium

c. zinc

d. barium

Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!

How does litmus paper indicate an acid?

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?