A substance that is made up of two or more different types of atoms bonded together is a A. Mixture

B. Compound

C. Molecule

D. Element

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

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.