In the cyanide ion (cn-), the nitrogen has a formal charge of

Examine Na + with the anions F-, Br-, OH-, NO3-, and ClO4-. How many anions are there in each of these formulas?

If you have 1 mole of Hydrogen, how much Hydrogen gas do you have in liters?

1) A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The initial volume was 3.00 L / rm L and the initial pressure of chlorine was 1.45atm The piston was pushed down to change the volume to 1.

3s2 what is the period number

What is a cercaria? *zoology

What's the difference between Mixture and Solution?

Which describes the alkalaine solution? A) pH less than 7 B) pH equal to seven C) basic D) acidic

Limestone is primarily a crystal form of caco 3 . How many moles of oxygen are in a 1.25 mol sample of caco 3 ? Only include the numerical value in your answer. Do not include units.

The expression of 5522 km in scientific notation is

Gallium crystallizes in a primitive cubic unit cell. The length of an edge of this cube is 362 pm. What is the radius of a gallium atom?