An atom of an element contains 66 electrons. what element is it?

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

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.