How many moles of chlorine (Cl) atoms are in a sample of 1.72 * 1022 atoms?

a. 0.0286 mol Cl

b. 35.0 mol Cl

c. 1.03 * 1023 mol Cl

d. 1.04 * 1046 mol Cl

Is humidity high after a snowstorm

For an isoelectronic series of ions, the ion that is the smallest is always 1. the ion with the most electrons. 2. the ion with the fewest protons.

Which of the substances will float in water? A) A cube with a density of 10 g/ml. B) A block with a density of 0.01 g/ml Eliminate C) A sphere with a density of 2.0 g/ml D) A cylinder with a density of 6 g/ml.

Name 2 elements that have similar chemical properties

Using the equation PCl5 (g) = PCl3 (g) + Cl2 (g), if PCl5 is removed, what will the equilibrium shift?

For the separation of the unknown mixture, you are instructed to isolate the amine followed by the acid and finally the neutral. Does the order matter? If not, what other orders could be followed?

As ice melts and changes from solid to liquid, A) entropy increases. B) kinetic energy decreases. C) an exothermic reaction occurs. D) the random movement of molecules remains constant.

What volume of 0.480 m koh is needed to react completely with 15.8 ml of 0.150 m h2so4? assume the reaction goes to completion?

Which sample of water contains particles having the highest average kinetic energy?

Use the terms magnetic field and magnetic pole in a sentence