What two elements were named after the United States?

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

How many moles of gas are present if p=11 atm, v=12l, t=185k?

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.