Are si valence electrons shared?

are c valence electrons shared?

Why does a red shoe appear red in daylight

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

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?