Which of the following must be transformed into electrical energy when biomass is used as an energy resource? a chemical energy

b mechanical energy

c nuclear energy

d radiant energy

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

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.