When a metal bonds with a nonmetal, the bond that is formed is a(n)
ionic bond
covalent bond
chemical bond
metallic bond

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?

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)