Which two elements have similar properties and 8 electrons in their outermost shells? O A. Lithium and sodium O B. Fluorine and chlorine C. Magnesium and calcium O D. Neon and argon ​

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

Compare and contrast physical changes with chemical changes.

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5