All of the orbitals in a given electron shell have the same value of the quantum number. a)principalb)spinc)magneticd)angula r momentume)psi

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.

Iknow #2 is d. i just need to know why

Which of the following statements is true about planck’s law