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.