課程名稱︰化學乙
課程性質︰資源保育與管理學群為選擇必修，其他3學群皆為必修
課程教師︰簡淑華
開課學院：生農學院
開課系所︰森林環資系
考試時間︰95年11月22日
是否需發放獎勵金：是 謝
（如未明確表示，則不予發放）
試題 :
1 Fill up the following blanks:20%
(1)write the symbol for the following elements:Potassium__,Cesium__,Silver
Lead__
(2)give the chemical formulas for the follows:
dinitrogen tetroxide__, hypochlorous acid__, ferric hydroxide__
Copper(Ⅱ)oxide__, sodium bicarbonate__, nitric acid__
(3)The radius of nickel atom is 1.246A 1.246A=__nm=__pm.
(4)1 atmosphere(atm)=__torr=__mbar=__Pa(passcal)=___psi.
(5)For ethanol, its structural formula is __, the condensed structural
formula is __
(6)1 mole=__.1amu=__g
2 Briefly explain or distinguish the following terms 20％
(1)cation and anion(2)isotopes(3)kinetic energy and potential energy
(4)proton and α-particle(5)valence electrons and core electrons
(6)absorption spectrum and emission spectrum
(7)the ground state and the excited state
(8)the Pauli Exclusion Principle
(9)orbit and orbital(10)molecular stoichiometry and reaction stoichiometry
3 Arrange in order of decreasing the specified properties.10％
(1)frequency of electromagnetic radiation：IR, UV,microwave, X-ray
(2)wave length of visible light:red, green, blue, yellow, violet
(3)binding energy of 1s, 2s, 2p, 3s, 3p, 3dorbital for a given atom
(4)number of spherical nodes of 3s, 3p and 3d orbital for a given atom
(5)The first ionization energy for Li, Na, K, Rb
4 Answer the following, 50％
(1)A neutral atom of element [X] has 20 electrons. What is its atomic number
, the mass number, and the approximate atomic mass. Give its electron
configuration and its oxidation state normally expected. What is this
element?
(2)What is the ideal gas law? Assume helium behaves like an ideal gas, what
is its molar volume and molar density at STP?
(3)When aqueous Ca(NO3)2 solution is added to a Na3PO4 solution, the
insoluble calcium phosphate formed in the solution. Write the molecular,
ionic, and net ionic equations for this reaction. Which are the spectator
ions
(4)Write the general equation for the energy levels of Bohr's H-atom?
What is the energy required to remove the electron from a hydrogen atom
in its ground state?
(5)Describe the Quantum Mechanical Model of atom
(6)What are the n, l, and m1 quantum numbers corresponding to the 3p orbital
(7)An AM radio station broadcasts at a frequency of 600kHz. Hz is an
abbreviation of hertz. Give a definition of "hertz".Calculate the
wavelength and energy of this 600kHz wave.
(8)A visible light has a wavelength of 500 nm. Give the frequency, the wave
number(in cm^(-1)) and the energy(in joules) of a photon of this light.
What is its color?
(9)What is the Balmer series of atomic specra of hydrogen? The second line
of the Balmer series for hydrogen occurs at 486.1 nm. Calculate the
transition energy. From what energy level does the 486.1 nm transition
originate?
(10)A transition from 2p to 2s of Li results a red line of 670 nm in
wavelength. What is the transition energy (in joules and in ev)?
Given the ionization energy of Li is 5.392 ev, What is the ionization
energy of the 2p state in Li? What is the effective nuclear charge for
a 2p electron
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