Potassium has a 1+ charge, and oxygen has a 2− charge. a lewis dot diagram should contain two potassium atoms and one oxygen atom to show how these atoms form an ionic bond. true or false

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.