What is a diatom? A molecule made of different molecules
a molecule made of different elements
a molecule with two of the same element
a molecule with three of the same element

In which phase(s) do the molecules take the shape of the container?

Ineed to find the answer of this question because i dont understand it

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