Which statement justifies that phosphine (ph3) is a polar molecule?

the p-h bond is nonpolar and the molecule is asymmetric.
the p-h bond is nonpolar and the molecule is symmetric.
the p-h bond is polar and the molecule is asymmetric.
the p-h bond is polar and the molecule is symmetric.
the p-h bond is polar and the charges are distributed e

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

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.