When an object looks as if the position has shifted when it is viewed from different locations, this is referred to as

How can you use chemical equations to predict the products of the reaction you can carry out?

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

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?