In one box of nails weighing 0.264 lb , there are 75 iron nails. The density of iron is 7.86 g/cm². The
specific heat of iron is 0.452 J/g °C. The melting
point of iron is 1535 °C.

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

The most common form of matter in the universe

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?