How many atoms are in 0.8288 grams of sodium, Na?

1.670 x 10^25 atoms

1.147 x 10^25 atoms

2.170 x 10^22 atoms

3.159 x 10^22

Indicate the maximum number of electrons in the following: a. 3s sublevel b. 4p orbital c. main energy level n = 3 d. 4f sublevel

Is air pressure greater at the equator than at the north pole?

If the density of an ideal gas at stp if found to be 0.0902 g/l, what is its molar mass?

Which label belongs in the area marked X? A. Impact on growth and development B. Extinction C. Change in competition D. Loss of habitat

The prefix milli - means 103 10-2 10-3 102

How many metaloides are found on the periodic table

Which of the following is considered to be a chemical property of matter?

How does percent composition by mass contribute to writing a balanced equation?

Raising the temperature of a reacting system increases the rate of the reaction, but does NOT increase the a) activation energy b) number of collisions c) fraction of the reacting particles which possess energies greater than the activation energy

If you have 60 grams of MgCl2 in 5 liters of solution, what is the molarity of this solution?