What is the reason for the change in ionization energy as you go down a group

What form of oxygen is not toxic to microorganism is it oh-?

A plane travel for about 2.5 hours at a velocity of 1200 km/hr east. What distance did it travel?

21. When does a nuclear fission reaction occur? A. When a nucleus is cut in two using a really sharp knife. B. When two nuclei collide and combine to one. C. When a large nucleus spontaneously is divided for no apparent reason. D.

Explain its significance. Check all that apply. Systems with high potential energy tend to change in the direction of lower potential energy, obtaining energy from another objects.

How many moles in one gram of Calcium?

The flame from my candle gives off black smoke heat and light what type of changes do these indicate

Which one of the following processes results in a decrease in the number of neutrons? corrosion electron capture gamma emission positron emission alpha emission

Calculate the root mean square velocity of F2, Cl2, and Br2 at 304 K.

The total pressure inside a 1.62 cylinder kept at 35°C is 1.15 atm. If the volume of the cylinder drops to 0.74 L and the temperature remains the same, what is the new pressure inside the cylinder?

What is difference between tempering and aging?