When arranged in order of increasing atomic number, the elements exhibit periodicity for all the following properties except O electron affinity.
O jonization energy.
O atomic radius.
O color.
O electron configuration.

If a 60-g object has a volume of 30 cm3, what is its density? 2 g/cm3 0.5 cm3/g 1800 g * cm3 none of the above

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

The energy that powers a hurricane is derived from