I am very dull and brittle, I can't transfer thermal energy very well, and I tend to be a gas. I must be a ... a
metal
b
nonmetal
c
metalloid
d
noble gas

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Stage in which a typical star has completely stopped fusion