The unit used to measure the amount of electrical energy used in a home.

Elements on the periodic table are organized by what? increasing atomic number decreasing atomic mass increasing valence electrons decreasing neutron count

Which formula is electron deficient? BeF2, CIF2, XeF2

What's a system that removes solid and liquid wastes

A teacher wants to figure out the amount of a solution that is needed for a titration experiment in a class lab. The class has 15 students, and each experiment needs 50 mL of solution.

Chemical reactions such as the decomposition of wastes also occur much faster in warmer water. a. True b. False

The inertness of the noble gases is due to a. the outermost shell has six electrons. b. the bonds they form with other elements. c. the number of protons and neutrons. d.

Xander is gaining weight. Which best describes what he can do to prevent obesity? exercise every day and also make healthy choices in his diet excercise once a week but make no change in his diet exercise once a week and also make healthy choices in

The town in the video stressed using locally made goods instead of imported goods. How could using locally made goods lower CO2 emissions?

Calculate the ΔHrxn for the following reaction: CH4 (g) + 2Cl2 (g) - - > CH2Cl2 (g) + 2HCl (g) Use the following reaction and given ΔH's: CH4 (g) + Cl2 (g) - - > CH3Cl (g) + HCl (g), ΔH = - 99.

Select all that apply to diffusion. A solid cannot diffuse in to another solid. Solids can diffuse in liquids. Liquids can diffuse in liquids. It is the process of intermingling atoms from one substance into another.