What is the only element in group 1 of the periodic table that forms covalent bond
hydrogen
lithium
potassium
sodium

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

What is the value of keq for the reaction expressed in scientific notation?

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.