How many bromide ions are there in 1.5 moles of MgBr2?? a. 2.8*10^2
b. 7.5*10^1
c. 2.6*10^2
d. 2.1*10^24
e. 1.7x10^23

Iknow the answer is a but i don't know why

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.

Which statement describes james chadwick’s discovery.