Help please? I’ll give you BRAINLIST

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

What is a number added in front of a formula in order to balance the equation

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?