This solid is ductile and conducts electricity

Select the correct answer. what is the nature of the se-cl bond in a molecule of selenium chloride (secl2) if the electronegativity value of selenium is 2.55 and that of chlorine is 3.16?

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

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?