College Biology: Chapter 2 Vocab Flashcards

Front

Functional Group

Back

A specific configuration of atoms commonly attached to the carbon skeletons of organic molecules and involved in chemical reactions.

Front

Catalyze

Back

Speed up chemical reactions.

Front

Atomic Mass

Back

Number of protons and neutrons.

Front

Nonpolar Covalent Bond

Back

Equal sharing of electrons within a covalent bond.

Front

Atomic Number

Back

The number of protons in the nucleus of an atom. Written as a subscript to the left of its symbol.

Front

Hydrogen Bond

Back

Weak attraction between a hydrogen atom and another atom.

Front

Valence Electron

Back

Number of unpaired valence electrons. Atoms are most stable when valence shells are full.

Front

Covalent Bond

Back

Sharing of electrons between atoms.

Front

Electronegativity

Back

The strength with which atoms pull electrons toward themselves. O > N > S, C, H, P.

Front

Molecule

Back

A group of atoms bonded together, covalent.