Cho các chất sau : CaO, FeO, CO2, N2O5, SO2, SO3, CuO, CO, MgO, Al2O3, Cl2O7, ZnO, P2O5, NO2, BaO, Fe2O3. Xác định oxit axit, oxit bazơ, oxit trung tính ,oxit lưỡng tính và gọi tên các Oxit đó?

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.