What conditions favor the formation of ionic compounds from elements? both atoms must be non metals. you must have a metal and a nonmetal. both atoms must be metals. you must have a metal atom and a halogen?

A molecule of ammonia (NH3) contains

Sphere 1 has 4 positive charges and Sphere 2 has 2 negative charges. What is the charge on each if they are brought together?

When is energy released during a chemical reaction?

What is the temperature of 0.47 mol of gas at a pressure of 1.5 atm and a volume of 10.5 l?

What is the Definition of "Folded Mountain" in science terms?

If you wanted to study the science of describing, naming, and classifying organisms, what would you study?

The specific heat of silver is 0.234 j / (g·c). calculate the amount of energy that is needed to raise the temperature of 175 g of silver from 22.5°c to 40.0°c.

Gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated. after the water was removed, 3.87 g anhydrous calcium sulfate remained. determine the formula of this hydrate and name the compound.

A chemical reaction produces CO2 (g). If 44 g is produced at 1.0 atm and 25°C, what volume will the gas occupy? (Assume that CO2 behaves as an ideal gas under these conditions.

What is the smallest carbohydrate called?