What is the maximum amount of chromium, Cr, that can be obtained from the reaction of 87.1 g of chromium(III) oxide with 34.5 g of aluminum

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds