Why is lewis electron-dot diagrams more suitable than electron-shell diagrams illustrating chemical bonds

What is the geometry name for PF5? Is PF5 polar or non-polar?

Are all reversible reactions at equilibrium? explain why or why not.

N2 (g) + 3h2 (g) ⇌ 2nh3 (g) the equilibrium constant kc at 375°c is 1.2. starting with [h2]0 = 0.76 m, [n2]0 = 0.60 m and [nh3]0 = 0.48 m, which concentration (s), if any, will have increased when the mixture comes to equilibrium?

What is the difference between a positively charged ion and a negatively charged ion

What is neutralization reaction?

If your heart beats an average of 68 times per minute, how many times will your heart beat in an hour? In a day? In a week? Show all work

The gas described in parts a and b has a mass of 1.66 g. the sample is most likely which monatomic gas?

What is the oxidation number of N in NH4NO3

Aqueous magnesium chloride and hydrogen gas are produced when solid magnesium reacts with aqueous hydrochloric acid (hcl). what is the equation for this reaction?

What is ph? And explain where it can be used