LJ#21-30 Flashcards
Ionic Bond
formed when one or more electrons are transferred from one atom to another.
Covalent Bond
forms when electrons are shared between atoms.
Valence Electrons
electrons in the outer shell or energy level that are available for bonding
pH
the measure of acidity or alkalinity of a solution
Acid
a substance that dissolves in water to release a hydrogen ion (H+)
Base
a substance that dissolves in water to release a hydroxide ion (OH-)
Deoxyribonucleic Acid (DNA)
the nucleic acid that contains all genetic information for a cell.
Double Helix
shape of DNA that resembles a spiral staircase or a twisted ladder.
Nucleic Acid
building block of living organisms that passes genetic information from one generation to the next (exp. DNA)
Nucleotide
a monomer of nucleic acid.
formed when one or more electrons are transferred from one atom to another.
Ionic Bond
forms when electrons are shared between atoms.
Covalent Bond
electrons in the outer shell or energy level that are available for bonding
Valence Electrons
the measure of acidity or alkalinity of a solution
pH
a substance that dissolves in water to release a hydrogen ion (H+)
Acid