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Chemistry of Life

Across
Chains of amino acids.
A substance that minimizes changes in the concentration of hydrogen ions in a solution.
The dense center of an atom; contains the protons and the neutrons.
A substance that dissolves in a solvent.
Macromolecule made up of nucleotides; DNA and RNA
Indicates something by a color change.
Macromolecule composed of carbon, hydrogen, and oxygen; sugars and starches
Adhesion and cohesion working together to defy gravity.
The basic building block of all living and non-living material.
An attraction between a slightly positive hydrogen atom and a slightly negative atom.
The building blocks of nucleic acids; made up of a sugar, a phosphate group, and a nitrogenous base.
Negatively charged particle located in the energy levels around the nucleus of an atom.
A substance made of atoms of different elements bonded together in a certain ratio.
A set of numbers used to show the concentration of hydrogen ions.
Positively charged particle found in the nucleus of an atom.
Down
One particular type of atom which cannot be broken down into a simpler substance.
A compound that removes a proton from a solution.
A compound that releases a proton when it dissolves in water.
A mixture of substances that is the same throughout.
Chains of carbon atoms bonded to oxygen and hydrogen atoms; fats, oil, and cholesterol.
A measure of how difficult it is to stretch or break the surface of a liquid.
The attraction among molecules of a substance; makes molecules stick together.
The attraction among molecules of different substances.
Molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
Neutral particle found in the nucleus of an atom.
The substance that is present in the greatest amount and that dissolves another substance.
Anything that has mass and takes up space.