Consider the electron configuration
which element has this electron configuration?
astatine
bromine
chlorine
fluorine

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

Draw the lewis dot structure for each of the following polyatomic ions

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3