Chapter 4 Carbon and the molecular diversity of life
Subject:
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Matter
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Energy: Photosynthesis and Respiration
Subject:
ENERGY Physiology Function:worklive -grows(mitosis) -reproduce(meiosis+fertilization) -metabolism(photosynthesis and respiration) -inheritance(generation) Definition of Energy 2 Laws of Energy: 1.Conservation of Energy- energy is neither created nor destroyed, only transformed(1st law) *forms of energy: solar, potential, mechanical 2.Entropy- during the transformation of energy, some energy become disordered & becomes heat(2nd law) *heat: ?disordered energy? Coupled Reactions and Chemical Bonds *?coupled?: with partner *coupled reactions= redox reactions 1.Reduction- gains electrons -creates chemical bond -stores energy in molecule -Photosynthesis(anabolic) 2.Oxidation-loses electrons
What is a phase of matter?
Subject:
PhaseMain article:
Phase (matter)
What is a molecule?
Subject:
Molecule
Main article: Molecule
A molecule is the smallest indivisible portion of a pure chemical substance that has its unique set of chemical properties, that is, its potential to undergo a certain set of chemical reactions with other substances. Molecules can exist as electrically neutral units unlike ions. Molecules are typically a set of atoms bound together by covalent bonds, such that the structure is electrically neutral and all valence electrons are paired with other electrons either in bonds or in lone pairs.
CHAP 23 ISM
Subject:
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Water Boiling and Freezing Points
Subject:
Water boils at 212 degrees Faherenheit and Freezes at 32 degrees fahrenheit.
Water boils at 100 degrees Celcuis and freezes at 0 degrees Celcius
Chemistry Study Guide
Subject:
Ashley Hanson October 19, 2009 Biology Period 2 Study Guide- Ch 2- Chemistry of Life Answer the following questions with complete sentences, using examples/details to fully explain your answers.?You will get no credit if you do not give examples!!!!!!!!!! ????????????????????????????? (total points = 110) 1.?????? (2) What is the matter in organisms made of? 2.?????? (6) What 3 subatomic particles make up atoms? Explain a property or each one. 3.?????? (2) How are all of the isotopes of an element similar? different? 4.?????? (2) In what ways to compounds differ from their component elements? 5.?????? (8) What are the types of chemical bonds? Explain the similarities and differences between each one. 6.?????? (4) Explain the special properties of water that make it unique.
AP Biology Campbell Chapter 2 Objectives
Subject:
Elements and Compounds
Distinguish between an element and a compound.
Identify the four elements that make up 96% of living matter.
Define the term trace element and give an example.
Atoms and Molecules
Draw and label a simplified model of an atom. Explain how this model simplifies our understanding of atomic structure.
Distinguish between each of the following pairs of terms:
neutron and proton
atomic number and mass number
atomic weight and mass number
Explain how the atomic number and mass number of an atom can be used to determine the number of neutrons.
Explain how two isotopes of an element are similar. Explain how they are different.
Describe two biological applications that use radioactive isotopes.
Polyatomic Ions
Subject:
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Noble Gases
Subject:
The noble gases consist of the elements:
Neon
Xenon
Argon
Helium
Krypton
Radon
Nitrogen
Hydrogen
Oxygen
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