Chemistry part 39, Julia Burdge,2e (2009) pptx

Chemistry part 4, Julia Burdge,2e (2009) pdf

Chemistry part 4, Julia Burdge,2e (2009) pdf

... particle, (b) 13 particle, (c) 'I ray, (d) X ray. Name the types of radiation known to be emitted by radioactive elements. Compare the properties of the following: ex particles, ... appropriate symbol for each of the following isotopes: (a) Z = 74, A = 186; (b) Z = 80, A = 201, (c) Z = 34, A = 76 , (d) Z = 94, A = 239. 2.20 Determine the mass number of (a)...

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Chemistry part 5, Julia Burdge,2e (2009) pot

Chemistry part 5, Julia Burdge,2e (2009) pot

... person on Earth participates in a process of counting identical particles at the rate of two particles per second. How many years would it take to count 6.0 X lO z3 particles? Assume ... " = mol particles X = mol 6.022 X 10 23 particles g/ mol . Particles Grams Moles Atoms Molecules ~ Multiply by molar mass Multiply by NA Formula its 6.022 X 1023...

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Chemistry part 6, Julia Burdge,2e (2009) pps

Chemistry part 6, Julia Burdge,2e (2009) pps

... molecules surround each anion with their partial positive charges (H atoms) oriented toward the negatively charged anion; and they surround each cation with their partial negative charges (0 atoms) ... that is, its electrons are distributed such that there is a partial negative charge on the oxygen atom, denoted by the 8- symbol, and partial positive charges, denoted by the 8+ ....

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Chemistry part 7, Julia Burdge,2e (2009) ppt

Chemistry part 7, Julia Burdge,2e (2009) ppt

... = X hter s of solutlon liters of so lution as in part (b), for the volume that contains a number of moles smaller than 0.2 77, make sure your answer is smaller than the original ... the same result. ã Before dilution: More solute particles per unit vo lume Add solvent ã After dilution: Fewer so lute particles per unit volume Because the number of mo...

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Chemistry part 8, Julia Burdge,2e (2009) docx

Chemistry part 8, Julia Burdge,2e (2009) docx

... electrostatic potential energy between particles with charges +3 and - 3 than between particles with charges + 1 and -I ? (A ssume the same di stance between particles.) a) 3 times b) 9 ... thermodynamics, which is particularly rel evant to the study of thermo- chemistry. We will continue our discussion of thermody nami cs in Chapter 18. We have defined a system as...

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Chemistry part 9, Julia Burdge,2e (2009) pptx

Chemistry part 9, Julia Burdge,2e (2009) pptx

... properties characteristic of both particles and waves. Depending on the experiment , light behaves either as a wave or as a s tream of particles. This concept wa s totally ... possessing properties of both particles and wave s is not unique to light but ultimately is characteristic of all matter, including electrons. Bringing Chemistry to life Laser...

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Chemistry part 10, Julia Burdge,2e (2009) doc

Chemistry part 10, Julia Burdge,2e (2009) doc

... could exhibit particle-like behavior, de Broglie propo se d that matter might also exhibit wavelike behavior. The de Broglie wavelength is the wavelength associated with a particle of ... different d orbital. Again there is no direct correspondence between a given ori en tation and a particular me value. All the 3d orbitals in an atom are identical in energy and are labeled .....

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Chemistry part 11, Julia Burdge,2e (2009) ppsx

Chemistry part 11, Julia Burdge,2e (2009) ppsx

... properti es of alkali and alkaline earth metals . In many ways the chemistry of Li rese mb les that of Mg and the chemistry of Be re sembl es that of AI. Th is behav io r is called ... Properties of Elements 249 kJ/mol) lements 3 Z IE1 IE2 IE3 IE4 IE5 IE6 IE7 Li 3 520 7,298 11,8 15 Be 4 899 1,757 14,848 21,007 21,007 B 5 800 2,427 3,660 25,026...

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Chemistry part 12, Julia Burdge,2e (2009) potx

Chemistry part 12, Julia Burdge,2e (2009) potx

... of the alkali metal cations. [ ~~ Sample Prob l em 7.6] e) For each alkali metal cation in part (d), identify an isoelectronic series consisting ;;;- ã , of a noble gas and, where appropriate, ... Calculate Ze ff for these electrons, and explain the differences from the values you determined in part (a). Section 7.4: Periodic Trends in Properties of Elements Review Questio...

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Chemistry part 13, Julia Burdge,2e (2009) pptx

Chemistry part 13, Julia Burdge,2e (2009) pptx

... For parts (b) and (c), show only structures in which each C atom is bonded to no more than two other C atoms. Dr aw Lewis structures for the following chlorofluorocarbons (CFCs), which are partly ... a molecule is its bond enthalpy, which is the enthalpy change asso- . ciated with breaking a particular bond in 1 mole of gaseous molecules. (Bond enthalpies in solids and liquids are af...

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Chemistry part 14, Julia Burdge,2e (2009) pdf

Chemistry part 14, Julia Burdge,2e (2009) pdf

... tetrahedral. However, the molecular geometry of the C part of the molecule is tetrahedral, whereas the mol ecular geometry of the 0 part of the molecule is bent. Note that although ... (Continued) When we specify the geo metry of a particular portion of a molecule, we refer to it as the geometry" about" a particular atom. In met hanol, for ex...

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Chemistry part 39, Julia Burdge,2e (2009) pptx

Chemistry part 39, Julia Burdge,2e (2009) pptx

... more distinct forms of an element. (2.6) alpha particle. A helium ion with a positive charge of + 2. (2.2) alpha ray. See alpha particle. amalgam. A substance made by combining ... of galvanic cells or a series of galvanic cells. (19.6) beta particle. An electron. (2.2) beta ray. See beta particle. bimolecular. Describes a reaction in which two reactant ... (...

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