What is the difference between a 1s orbital and a 2s orbital is that

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

If two objects at different te, peraure are in contact with each other what happens to their temperature

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?