An atom with 1 energy level belongs in row ??

Drag each tile to the correct box arrange the layers not order from oldest to youngest

Lewis structure and molecular geometry for nh2cl

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.