An apple is placed on a scale. the scale shows that the apple weighs 1/4 a pound. this demonstrates that the apple has a: atoms. b: elements. c: vitamins. d: weight.

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘