How does an atom become an ion with a - 2 charge?

The fragrant organic compounds found in many flowers that contain a carbonyl group bonded to a carbon atom and a hydrogen atom are called A. aldehydes. B. amines. C. amino acids. D. alcohols.

What scientist uses a metric ruler

Homeowner buys 55.0 kilograms of propane. She wants to know the total mass of carbon dioxide that will be produced when all of the propane combines with oxygen. Which information is necessary to find the answer?

E.) MO (NO2) 3 What's the name

Chemical formula for copper gluconate

Which coefficients balance this equation? _CH4 + _O2 - > _CO2 + _H2O A. 1, 1, 1, 1 B. 1, 1, 2, 1 C. 1, 2, 1, 2 D. 2, 1, 2, 1

Student B pushed on a cart against the wall with 500 N of force. The cart didn't move. How do u explain what happened?

What is unique about the way that transition metals form compounds? a. They don't form compounds c. They can form bonds with the electrons in the two outer-most shells b. They are the most reactive d. They can donate all of their electrons

What prompted rutherford to do the alpha particle scattering experiment?

How many moles of hydrogen would be required to produce 5.0 mol of water?