Aluminum has 3 valence electrons. What charge will the aluminum ion have?

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.

What metric units would you use to measure the thickness of a key

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false