Arow of elements in the periodic table is called a(n) 

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.