Can you identify the similarities and differences between crystals and molecules?

Both crystals and molecules contain atoms of elements.
Only crystals are solid at room temperature.
A molecule is two or more elements joined to form a compound.
A crystal can be composed of atoms, ions or molecules.
Molecules have a highly ordered, lattice structure.

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.