Match the key terms with the descriptions provided.
(a) the distance between two corresponding points on a wave
(b) the smallest packet of energy of a specific type of
(c) a measure of the size of an atom, measured from the nucleus to the outer edge of the atom
(d) a rule stating that a maximum of two electrons can occupy an orbital and that the
electrons must have opposite spin
(e) an electron that occupies the highest principal energy level
(f) the lowest-energy electron configuration
(g) an energy level consisting of orbitals of the same type and energy
(h) a spectrum that consists of only certain
element
(i) having only specific allowed values
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INTRODUCTION TO CHEMISTRY-ACCESS
- The energy needed to ionize an atom of element X when it is in its most stable state is 500kJmol1 . However, if an atom of X is in its lowest excited state, only 120kJmol1 is needed to ionize it. What is the wavelength of the radiation emitted when an atom of X undergoes a transition from the lowest excited state to the ground state?arrow_forwardCriticize or comment on the following statements: (a) The energy of a photon is inversely proportional to its wavelength. (b) The energy of the hydrogen electron is inversely proportional to the quantum number l . (c) Electrons start to enter the fifth principal level as soon as the fourth is full.arrow_forwardDescribe the properties of an electron associated with each of the following four quantum numbers: n,l,ml, and ms.arrow_forward
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- 6.11 Define the term photon.arrow_forwardAlthough we may draw the 4s orbital with the shape of a ball, there is some probability of finding the electron outside the ball we draw. Is this statement true or false? Comment on this statement.arrow_forwardAnswer the following questions as a summary quiz on this chapter. (a) The quantum number n describes the ________ of an atomic orbital, and the quantum number describes its ________. (b) When n = 3, the possible values of are _________. (c) What type of orbital corresponds to = 3? ________ (d) For a 4d orbital, the value of n is _______, the value of is ________, and a possible value of m is _________. (e) Each of the following drawings represents a type of atomic orbital. Give the letter designation for the orbital, give its value of , and specify the number of planar nodes. Letter = ______ ______ value = ______ ______ Planar nodes = _______ ______ (f) An atomic orbital with three planar nodes through the nucleus is a(n) ______ orbital. (g) Which of the following orbitals cannot exist according to modem quantum theory: 2s, 3p, 2d, 3f, 5p, 6p? (h) Which of the following is not a valid set of quantum numbers? (i) What is the maximum number of orbitals that can be associated with each of the following sets of quantum numbers? (One possible answer is none. ) (i) n = 2 and =1 (ii) n = 3 (iii) n = 3 and = 3 (iv) n = 2, = 1, and m = 0arrow_forward
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