When Ca+2 and O-2 form a compound what is the overall charge of the compound formed

Which statement best describes saturation? A. Saturation refers to the total rainfall for a year. B. Saturation refers to the lack of rainfall on a given day. C. Saturation occurs only in hot, dry climates. D.

The gas left in a used aerosol can is at a pressure of atm at 27 deg C. If this can is thrown into a fire, what is the internal pressure of the gas when it's temperature reaches 927 deg C

Select all of the true statements about empirical and molecular formulas. A. The molecular and empirical formulas for a compound have the same ratio of atoms. B.

8.7g+15.43g+19g? 853.2L-627.443L? 5.47m+11m+87.300m?

All atoms, whether atoms of gold (Au), iron (Fe), calcium (Ca) or oxygen (O), have two distinct areas. The first one is?

How do you get dencity?

The materials created from a chemical reaction are called A. reactants. B. products. C. coefficients. D. none of the above.

Organic compounds ALL contain the element carbon. Which organic compound, used for stored chemical energy, contains carbon, hydrogen, oxygen, and often phosphorous?

In a polar molecule, which atom will have the greatest partial negative charge? A) the smallest atom B) the least electronegative atom C) the largest atom D) the most electronegative atom

Why is portion control important