Chemistry
negatively charged and orbits the nucleus
What is an electron?
a positively charged ion
what is a cation?
the chemical composition of water
what is H2O?
-OH group
macromolecule that works in structural support and is made of amino acids
what is a protein?
the number of protons plus the number of neutrons
What is atomic mass?
bond in which an atom steals an electron from its partner
what is an ionic bond?
bonds cause water molecules to stick to each other
what is cohesion?
molecules that have the same chemical formula but different arrangements
what is an isomer?
stores genetic information and makes up DNA and RNA
what is a nucleic acid?
the outermost shell of electrons
what is the valence shell?
bond that holds water molecules together
what is a hydrogen bond?
when polar molecules exclude nonpolar molecules
what is the hydrophobic effect
the only nonpolar functional group
what is a methyl group?
Reaction involving a loss of a water molecule that bonds together monomers
What is a dehydration reaction?
The number of electrons that can be in the first 3 orbitals
What is 2, 8, 8
bond formed when two atoms have the same electronegativity
what is a nonpolar covalent bond?
pH of 0-6
what is an acid?
carbonyl at the end of a carbon chain
what is an aldehyde?
the two functional groups found in amino acids
what is an amino group and a carboxyl group
elements with the same number of protons but with different numbers of neutrons
What is an isotope?
the most electronegative atom
what is fluorine?
the increase of this causes pH to decrease
what is H+?
what is an enantiomer?
nitrogenous bases are part of the purine group
what are adenine and guanine