Use the periodic table entry below to answer the following question. what is the atomic mass of the element cobalt (co)?

What is the most common reason for matter changing its state?

The most common form of matter in the universe

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive