Explain how a pure metal is held together. include a definition of a metallic bond in your explanation

Calculate the mass percent of hydrogen in methyl acetate

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have