Which option correctly describes the pattern of valence electrons on the periodic table? A. The number of valence electrons increases from bottom to top.
B. The number of valence electrons increases from top to bottom.
C. The number of valence electrons increases from right to left.
D. The number of valence electrons increases from left to right.

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

The energy that powers a hurricane is derived from

What volume does 1.70 ×10–3 mol of chlorine gas occupy if its temperature is 20.2 °c and its pressure is 795 mm hg?