What is the name of this molecule? A. 2-pentyne
B. cis-2-pentene
C. 3-methylpentane
D. Pentane

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory