Explain the relationships between internal and atmospheric pressure

When the volume and number of particles of a gas are constant which of the following is also constant

Can someone me with 1 to 4 plz. fast

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.