1. how many moles are in 493.4 grams of calcium phosphide?

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?