Which of the following elements has the lowest lonization energy A. Flourine
B. Francium
C. Hydrogen
D. Lithium

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

In one or two grammatically correct sentences, write a definition for the term molecule geometry