Which molecule is solid at Room temperature?
NH3
HCI
C4H10
MgCl2

Lewis structure and molecular geometry for nh2cl

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils