The addition of which of the following will control a mineral's color

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

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?