If the pH of a solution is 12.2, what is the pOH?

What type of oxide is sulphur dioxide

25. Which of the following statements is true for the element sulfur? A It has 17 neutrons B It has more electrons than Argon C Its symbol is Su D It has 6 electrons on its third energy level

Given the following equation: 2 K + Cl2---> 2 KCl How many moles of K are needed to react with 0.5 moles of C

Energy is expended when a force moves matter across a distance. True False The conservation of mass-energy and the first law of thermodynamics are synonymous. True False Temperature and thermal energy are synonymous terms.

How many atoms are in one formula unit of magnesium hydroxide, Mg (OH),?

Is B2O3 molecular or ionic

In which scenario does radiation occur? A. warming soup on a stove B. drying towels at the beach C. cooking eggs in boiling water D. warming a sore muscle with a hot pack

If a heated steel nail were placed in pure o2, would you expect it to burn as readily as the steel wool does?

What is density? What does it tell you about the substance?

Atoms like sodium and lithium often lose electrons, which makes them