The electron configuration for Helium (He) is shown below. 1s2

Which diagram shows the correct distribution of electrons in the electron shells of a helium atom?

One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number