Which of the following is a weak base?
O
Cu(OH)2
Ba(OH)2
O
LiOH
O Ca(OH)2

How will the emission of an alpha particle affect the atomic number of an atom

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.