The filling of which orbital is represented by the first transition series? a. 3d
b. 3s
c. 2s
d. 2p​

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?