What happens to gas elements when they reach their melting point?? Are they a gas, liquid or solid??​

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.

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17