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Bio 2 my notes

Terms

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All matter is made up of atoms
What is the first part of the Atomic Theory?
Universal Solvent
Fourth unique property of water.
Neutral
On the pH scale if the number is equal to seven then it is?
Chemical symbol
The letter in the middle of the element's identification box that represents it.
Polar covalent Bond
Molecules in which e- are unevenly shared.
Basic (alkaline)
On the pH scale if the number is greater than 7 than it is?
Salt dissolving in water
Give an example of water being a universal solvent
Capillary action in blood
Give an example of water being cohesive and adhesive
Atomic Mass
Expressed in amu's and weight of its protons and neutrons.
Acidic
On the pH scale if the number is less than 7 then it is?
Group/Family
The vertical columns that typically share the same number of valence electrons.
Moderating homeostasis
Give an example of high specific heat of water
Water is adhesive and cohesive.
First unique property of water.
Energy levels (Shells)
In the electron configuration they are 1, 2, 3,4,5,6 and 7.
Non-polar Covalent Bond
Compound when e- are evenly distributed around the molecules sharing the e-.
Atoms are solid particles that cannot be divided.
What is the second part of the Atomic Theory?
Periods
The horizontal rows in the periodic table.
Subshells
In the electron configuration they are s (2 e- and 1 orbital), p (6 e- and 3 orbitals), d (10 e- and 5 orbitals) and f (14 e- and 7 orbitals)
Water is less dense as a solid...so ice floats.
Fifth unique property of water.
Atomic Number
Identifies the atom and the number of protons it has
Oxidation
Refers to the loss of e- and it helps predict bonding patterns and the ion formation for specific elements
Change in state
Second unique property of water.
ice floating
Give an example of water being less dense as a solid
Orbital
Each of these can hold up to two electrons.
liquid to gas
Give an example of the change of state in water.
Octet Rule
8 e- in the outer energy level renders an atom unreactive (stable)
Each element is made up of is own kind of atom.
What is the third part of the atomic theory?
High Specific Heat
Third unique property of water.

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