How many moles is 119 grams of uranium???

I dont get this : (

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Drug abuse will not lead to physical and psychological dependence. true or false ?

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.