An element crystallizes in a body centered cubic unit cell. The edge of one the unit cell has length 3.16 x 10 -8 cm. The density of the metal is 19.4 g/cm 3. What is the element?

The answer is d.potassium

Any vitamins or supplements can be obtained without prescription and are widely used as alternative from western medications. most supplements are not valued by the fda or any other drug and food agencies.

B? i feel like this is a trick