An unknown metal displaces cadmium (cd) from solution but does not displace chromium (cr). using the activity series, determine the unknown metal.
lead (pb)
manganese (mn)
iron (fe)
zinc (zn)
cobalt (co)

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point