Why is flammability is a chemical property and not a physical property.

En cual de los siguientes grupos de elementos de la tabla periódica se encuentran los que tienen 8 electrones en su nivel de energía mas externo? A-metales de transición B-metales alcalinos C-gases nobles D-halógenos

What happens when you change the composition of a mixture and a compound

What is the electron configuration for the noble gases other than helium?

80.0 mL of 0.30 M NaOH and 80.0 mL of 0.30 M HCl are mixed together. What is the approximate pH of this solution - - acidic, basic, or neutral? Explain. hal

Which of the following describes the Bohr atomic model

You are assembling cars, and your job is to put the wheels on the vehicles. You have 3520 wheels, 14040 nuts (4 nuts per wheel) and 1000 car bodies at the start of the day.

Predict what would happen to life on earth if the Earth suddenly stopped rotating on its tilted axis?

The most common isotope of chromium has a mass number of 52. which notation represent a different isotope of chromium?

What is the molar mass of 37.96 g of gas exerting a pressure of 3.29 on the walls of a 4.60 L container at 375 K?

Which must be the same when comparing 1 mol of oxygen gas, O2, with 1 mol of carbon monoxide gas, CO? A. the mass B. the volume C. the number of molecules D. the number of oxygen atoms