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Biochemistry Set One: Inorganic Chemistry-Structure of Matter & Properties of Water
A in-depth description of different terms in the chemistry of matter and properties of water
Terms in this set (25)
Hydronium Ion vs. Hydroxide Ion
Similarities: Both are ions that come from the disassociation of water
Differences: One is positive(H+) and attaches to water molecules the other is negative(OH-)
Covalent Bond vs. Ionic Bond
Similarities: Both involve the use of electrons to form bonds
Differences: One bond is formed through the sharing of electrons and is stronger, the other bond is formed with the giving of electrons, making one atom positive and the other negative and is generally weaker
Cohesion vs. Adhesion
Similarities: Both are ways for water molecules to stick to things
Differences: One sticks to other water molecules, the other sticks to other substances
A particle that is composed of protons, neutrons, and electrons.
Hydrogen, Nitrogen, Oxygen, Carbon
Variants of an element where they retain the same number of protons, but they differ in the number of neutrons
H2O, NaCl, H2SO4
The smallest unit of a chemical substance that still retains the same properties
The outmost electron shell of an atom
Hydrogen is 1, Nitrogen is 7
The sum of the amount of protons and neutrons in the nucleus of an atom
Octet Rule/Rule of 8
Atoms want to either have no or all of their valence electrons so they seek to fill this requirement.
C,H, N, O, P and S
The basic elements that make up the human body (Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur)
Polar Covalent Bond
A bond where one side becomes negative while the other becomes positive. Water is a polar covalent bond.
The ability to stick to itself at the surface because of less collisions at the surface. Sufactants are things that can break the tension.
Heat of Vaporization
The amount of energy/heat that it takes to boil and vaporize a substance. Water has a high heat of vaporization.
The ability of a solvent to dissolve anything. Water is considered the universal solvent, but it can only dissolve polar substances, not non-polar substances.
"7=neutral, 1<7=acid, 7<14= base"
The ability to be both an acid and a base. Water has this quality.
When equal concentrations of hydronium and hydroxide ions are brought together (acids and bases of equal concentration and volume) and the substances disassociate and reassemble into salt and water
Inverse Logarithmic Scale
A scale where the lower the number, the higher the amount and the higher the number, the lower the amount.
A substance that disassociates in water and neutralizes the hydronium and hydroxide ions so that the pH stays the same
How capable is this substance in resisting pH. If it is effective it will have a low change in pH.
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