A family from minnesota turns off the heat and flies to florida for a winter holiday. when they come home, all of their water pipes have burst. what do you think happened?

The periodic table lists two main numbers for each element. the atomic number is an integer that equals the number of protons. the number of neutrons is not given in the periodic table because it will vary with different isotopes.

The mathematical formula for boyle's law is

How are molecules and ionic compounds the same?

Which is a property of all acids?

A 9.03 g sample of an aqueous solution of nitric acid contains an unknown amount of the acid. If 12.0 mL of 0.655 M barium hydroxide are required to neutralize the nitric acid, what is the percent by mass of nitric acid in the mixture?

The density of solid Ag is 10.5 g/cm3. How many atoms are present per cubic centimeter of Ag?

24g copper is submerged in water in a graduated cylinder, and the total volume increases by 2.7 mL. who's is the density of copper?

Does gadolinium have an odor?

What kind of intermolecular forces act between a hydrogen iodide molecule and a dichloroethylene

Match each element to the number of electrons in its valence shell. Match Term Definition Beryllium (Be) A) Three Carbon (C) B) One Lithium (Li) C) Two Boron (B) D) Four