The correct description that holds true for the above question would be B. Atomic number - 29 and Mass Number - 63.
Answer:
0.1 mol
Explanation:
Number of mole= mass/molar mass
lithium have a mass number of 7 and oxygen have a mass number of 16.
so, (7x2) + 16
= 30
therefore, number of moles = 2.93/30
= 0.10
It would 3 because if you read it tells you the answer
