Using the periodic table, predict which element-potassium, aluminum, or iron-is most reactive. explain your answer.

Heat energy is always released during what type of process?

The name of the ion P3 - is phosphoride ion. True False

Which metal will displace Nickel in a compound

Which of the following best describes a Lewis base? A. It donates protons in solution. B. It accepts protons in solution. C. It donates electrons in solution. D. It accepts electrons in solution.

What percentage of atoms in the entire universe are hydrogen atoms?

What type of chemical process is used to create perfume?

Which of the following is a polyatomic ion? O A. HCI O B. Na O C. PO, O D. 52

What are the cations and anions for V2 (CO3) 3

If you were asked to convert 4.2 x 1022 atoms of aluminum to moles, which of the following should you use for the conversion?

Carbonic acid (H2CO3) does not dissortate 100 percent in water. What type of substance is it? weak acid Strong base strong acid weak base