If the atomic number for oxygen is 8, how many protons are in the nucleus of each of its atoms?

How many miles of calcium oxide will be produced when 1.6 miles of iron (iii) oxide react with calcium phosphate

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.