Which of the following distances is the longest? a. 0.006 kilometers
b. 0.3 decimeters
c. 820 meters
d. 20,000 millimeters

Gunpowder residue is most likely to show up where on a shooters hands

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?

When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)