Which element of group 17 exists as a solid at 25°c and standard pressure?

Bose-einstein condensation occurs at what temperature?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery