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Chemical properties

Pearson Guided Reading Activities KEY CH2

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Biology
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Chemistry
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Chemical bonding
Chemical properties
Supramolecular chemistry
Chemical polarity
Physical chemistry
Chemical bond
Covalent bond
Molecule
Valence
Chemical substance

Chapter 2: The Chemical Basis of Life 8 Copyright ? 2015 Pearson Education, Inc. name ________________________ Period _________ # 152826 Cust: Pearson Au: Reece Pg. No. 8 Title: Active Reading Guide for Campbell Biology: Concepts & Connections, 8e C / M / Y / K Short / Normal DESIGN SERVICES OF S4-CARLISLE Publishing Services Chapter 2: The Chemical Basis of Life Guided Reading Activities Big idea: Elements, atom, and compounds Answer the following questions as you read modules 2.1?2.4: 1. Match the following terms with their correct definitions: matter, trace element, emergent properties, element, and compound. a. A substance required by humans in small quantities: _____________

Campbell chapter 7 test bank

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Biology
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Membrane biology
Chemical properties
Intermolecular forces
Biological membrane
Cell
Hydrophile
Amphiphile
Lipid
Cell membrane
Peripheral membrane protein
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#AP Biology #AP Bio #Biology #Study Guide

Self-Quiz Questions 1) In what way do the membranes of a eukaryotic cell vary A) Phospholipids are found only in certain membranes. B) Certain proteins are unique to each membrane. C) Only certain membranes of the cell are selectively permeable. D) Only certain membranes are constructed from amphipathic molecules. E) Some membranes have hydrophobic surfaces exposed to the cytoplasm, while others have hydrophilic surfaces facing the cytoplasm. Answer: B 2) According to the fluid mosaic model of membrane structure, proteins of the membrane are mostly A) spread in a continuous layer over the inner and outer surfaces of the membrane. B) confined to the hydrophobic core of the membrane.

Chapter 2: Chemical Units and Their Identities

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Chemistry
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Chemistry
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Periodic table
Nuclear physics
Chemical properties
Charge carriers
Chemical element
Ion
Atomic nucleus
Proton
Noble gas
Electron
Technology

ATOMS: - made of nucleus (protons (positive charge) and neutrons (neutral charge)) and electron cloud (electrons (negative charge) - smallest particle that still retains properties of element - atomic # - # of protons (unique to each element) (also # of electrons in neutral atoms) - mass # - # of protons + neutrons - atomic mass - actual (average) mass of atom (measured in daltons) - about mass # b/c electrons have very small mass compared to protons/neutrons - isotope - atom w/ more/less than usual # of neutrons ELECTRONS: - elemental form of element is when element is by itself - compound - joint of 2+ elements w/ own set of properties diff. from elements - elements in periodic table are arranged in atomic # and are in 18 columns (groups)

molarity and dilution

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Chemistry
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Chemistry
Analytical chemistry
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Chemical properties
Colloidal chemistry
Dilution
Equations
Molar concentration
Mole
Technology

Molarity Worksheet 1. Sea water contains roughly 28.0 g of NaCl per liter. What is the molarity of sodium chloride in sea water? 2. What is the molarity of 245.0 g of H2SO4 dissolved in 1.00 L of solution? 3. What is the molarity of 5.30 g of Na2CO3 dissolved in 400.0 mL solution? 4. What is the molarity of 5.00 g of NaOH in 750.0 mL of solution? 5. How many moles of Na2CO3 are there in 10.0 L of 2.0 M soluton? 6. How many moles of Na2CO3 are in 10.0 mL of a 2.0 M solution? 7. How many moles of NaCl are contained in 100.0 mL of a 0.20 M solution? 8. What weight (in grams) of NaCl would be contained in problem 7? 9. What weight (in grams) of H2SO4 would be needed to make 750.0 mL of 2.00 M solution? 10. What volume (in mL) of 18.0 M H2SO4 is needed to contain 2.45 g H2SO4?

Inter/IntraMolecular Forces

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Chemistry
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Chemistry
Chemical bonding
Intermolecular forces
Supramolecular chemistry
Chemical properties
Noncovalent bonding
Intramolecular force
Chemical bond
Hydrogen bond
Chemical polarity
Hydrogen chloride
Dipole
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intermolecular forces
boiling points
melting points
polarity
3 Types of bonds: [IONIC, COVALENT, METALLIC] ---> Intramolecular forces INTERmolecular Forces: Force of attraction between molecules Ionic > [Hydrogen Bonding > Dipole-Dipole > LDF] <---Covalent A. Dipole-Dipole 1. Definition - Positive (Polarity) seeks negative 2. Happens between POLAR molecules EX: HCl attracts HCl H-Cl --><-- H-Cl B. Hydrogen Bonding 1. Definition - Attraction between Hydrogen atoms and unshared electrons of Hydrogen (H), Oxygen (O), or Florine (F). 2. STRONG attraction <---IMPORTANT 3. Holds DNA strands together EX: H2O attracts H2O (Dipole-Dipole is there too) HAVE POLARITY C. London Dispersion Forces (LDF)

AP Chemistry

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Chemistry
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Chemistry
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Mass
Chemical properties
Stoichiometry
Nuclear chemistry
Chemical reactions
Atomic mass
Mole
Limiting reagent
Oxygen
Chemical formula
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chapter 1-3
Chapter1 • Precision vs accuracy • Sig figs • Metrics • Classification of matter o Pure substances o Compounds, elements, mixtures o Examples o Homogeneous vs heterogeneous mixtures o Separation of mixtures • Dimensional analysis (show correct set-up, units, cancellations) • History of atomic theory o Dalton model o JJ Thomson o Plum pudding model o Rutherford’s experiment and model o Millikan’s experiment • Atomic structure o Atomic number o Mass number o Isotope designations o Ions • NOMENCLATURE • Atomic mass o Define  Calculate atomic mass, given isotope abundances  Disc why samples of elements with same mass rations as atomic mass mean equal number of atoms (Avogadro’s Hypothesis) • Mole o Define

Chemistry Review

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Chemistry
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Molecule
Chemical bond
Covalent bond
Properties of water
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Everything covered in high school chemistry

Produced: Mastah E Chemistry Review Sheet 1 ? Chemistry is the study of matter and the changes it undergoes. ? A chemical is any substance that has a definite composition. This means it is always made of the same stuff no matter where the chemical comes form. Chemicals can exist naturally or be made. ? A chemical reaction is the process of which one or more substances are changed to produce one or more different substances. ? The recant is a substance or molecule that participates in a chemical reaction. When written in an equation, the reactants are on the left hand side ? Products are the substances produced from chemical reactions and are on the right hand side of the arrow in equations.

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