Name this molecule

Need help

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Tell me the iupac name of the following compounds:

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.