Does anybody else feel like they wanna do something bad an dont care of the concinces

Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million