when water reacts with potassium metal the hydrogen produced ignites explosively on the surface of water ii.)write an equation to show how this ignition occurs​

Non renewable resources like petroleum eventually

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.