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Chemistry for Biology (Basic Chemistry (Elements (A pure substance that…
Chemistry for Biology
Organic Molecules
Types of Molecules
Hydrocarbons, contains C and H
Carbohydrates, contains C,H, and O 2.1 also H to O
Lipids, Contains C,H, and O no ratio
Proteins, Contains C,H, O and N
Nucleic acids, contains C,H,O,N, and P
Monomers vs. Polymer
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a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together, e.g., many synthetic organic materials used as plastics and resins.
All Organic molecules contain carbon as part of their structure, because carbon bonds with itself and many other elements in stable covalent bonds
Basic Chemistry
Structure of Matter
However, atoms are almost always grouped together with other atoms to form what is called a molecule.
Therefore, the atom is considered to be the basic building block of matter.
All matter such as solids, liquids, and gases, is composed of atoms.
States of Matter
Solid, the particles don’t have enough kinetic energy/ they can’t move past each other/ they don’t have form
Liquid, they have enough enough energy to move past their each other/ they don't’ have a shape
Gas, they can move past each other and get out of their bond, they don’t have a shape
Elements
A pure substance that cant be broken down into simpler substances, 92 are naturally occurring
Atoms, smaller particle of an element with all properties of element
Protons, in nucleus, has mass, positive charge
Neutrons, in nucleus, have mass, no charge
Electrons, in energy shells, no mass, negative change.
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