A chlorine atom has 18 electrons and 17 protons. What is this atom called? Lesson 5.01

Question 1 options:

negative ion

neutral ion

positive ion

nucleus

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Which formula can be used to calculate the molar mass of hydrogen peroxide

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant