Which is an example of a covalent bond? chlorine accepts an electron from calcium to form a stable bond. ions in a bar of pure iron are surrounded by a large number of valence electrons. there are less than 16 valence electrons in 2 chlorine atoms, but they form a stable bond.

Tell me the iupac name of the following compounds:

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)