HOME WORK:- An alkene 'A' on ozonolysis gives a mixture of ethanal and pentan-3-one.
Write structure and IUPAC name of 'A'?

Why are the trends and exceptions to the trends in ionization energy observed?

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

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)