is aluminum foil a compound element or mixture?

Which quantity can vary among atoms of the same element? A) mass number B) atomic number C) number of protons D) number of electrons

what is the average kinetic energy of 1 mole of gas at 102 degree celsius

By what process do all organisms release energy stored in the bonds of glucose?

2HCl+Ca (OH) 2⟶CaCl2+2H2O how many moles of calcium chloride (CaCl2) is produced from 6.0 mol of hydrochloric acid (HCl) ?

Which information about a chemical reaction is provided by a potential energy diagram? (1) the oxidation states of the reactants and products (2) the average kinetic energy of the reactants and products (3) the change in solubility of the reacting

Henry Moseley used X-ray experiments to determine the atomic number of elements. How did his discovery contribute to the development of the periodic table? A. It confirmed that elements should be arranged in strict order of increasing atomic mass. B.

Does pollution stay in the city where it originates

Cao (s) + h2o (l) = ca (oh) 2 (s) what mass of slaked lime can be produced from a mixture of 28.4 g of cao and 13.3g of h20

Which best describes the purpose of a controlled experiment describes the purpose of a controlled experiment?

What's the name for the phase change from solid to gas