Which term best describes a group of atoms bonded together* Valence Electron
Group Number
Periodicity
Molecule

The reaction q+r2=r2q is found to be first order in r2 and

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone