In Period 2, as the elements are considered from left to right, there is a decrease in
A. Nonmetallic character
b metallic character
C atomic mass
D ionization energy

Bose-einstein condensation occurs at what temperature?

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!