How does the size of a berrylium atom compare with the size of oxygen?

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Calculate the number of molecules present in 0.750 mol of mgo.

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775