I ND HEEELPPEPEPEPEPEPPE chemical equations for sodium sulphate, potassium sulphate, magnesium sulphate, calcium sulphate

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

How much energy is made when a pice of wood burns. how do you know

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.