Which of the following cations will hydrolyze to generate an acidic solution? a. na+ b. ca+2 c. sn+4 d. all of them

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

List four observations that indicate that a chemical reaction may be taking place

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have