Which scientist developed the quantum mechanical model of

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Which scientist developed the quantum mechanical model of the atom? A. ) Bohr B.

Which scientist developed the quantum mechanical model of the atom? A. ) Bohr B. ) Rutherford C. ) Schrodinger D. ) Heisenberg

Draw a wave that shows low energy and gradually changes to high energy. Label

Draw a wave that shows low energy and gradually changes to high energy. Label the following on your wave: Crest Trough Amplitude Wavelength

Which of the following orbitals has the lowest energy? A) B) C) D) 4

Which of the following orbitals has the lowest energy? A) B) C) D) 4 p 4 s 3 d 4 f

The formula 2 n 2 represents _____. A) B) C) D) The number of

The formula 2 n 2 represents _____. A) B) C) D) The number of sublevels in any energy level The maximum number of electrons that can occupy an energy level The number of orbitals None of the above

What type of atomic orbitals are in the third energy level? A) B) C)

What type of atomic orbitals are in the third energy level? A) B) C) D) p and d only s, p, d, and f s and p only s, p, and d only

The quantum mechanical model of the atom_______. A) B) C) D) Was proposed by

The quantum mechanical model of the atom_______. A) B) C) D) Was proposed by Hund Defines the exact path of an electron Is concerned with the probability of finding an electron in a certain position Was proposed by Bohr

What is the maximum number of d orbitals in a principal energy level? A)

What is the maximum number of d orbitals in a principal energy level? A) B) C) D) 5 10 7 2

Write the complete electron configuration for titanium.

Write the complete electron configuration for titanium.

The principal quantum number indicates what property of an electron? A) B) C) D)

The principal quantum number indicates what property of an electron? A) B) C) D) Speed Orbital shape Spin Energy level

Which one of the following electron configurations is most stable? A) B) C) D)

Which one of the following electron configurations is most stable? A) B) C) D) 5 s 1 5 s 3 5 s 2 5 s 4 4 d 5 4 d 3 4 d 4 4 d 2

What color of visible light has the shortest wavelength? A) B) C) D) Blue

What color of visible light has the shortest wavelength? A) B) C) D) Blue Green Yellow Orange

Draw the orbital diagram for silicon.

Draw the orbital diagram for silicon.

What are quanta of light called? A) B) C) D) Charms Excitons Photons Orbitals

What are quanta of light called? A) B) C) D) Charms Excitons Photons Orbitals

The atomic emission spectra of a sodium atom on earth and of a sodium

The atomic emission spectra of a sodium atom on earth and of a sodium atom in the sun would be _______. A) B) C) D) The same as each other only in UV range The same as those of several other elements Different from each other

A wave has wavelength= 2 5. 80 x 10 nm n Convert this wavelength

A wave has wavelength= 2 5. 80 x 10 nm n Convert this wavelength to centimeters.

The lowest energy state of an atom is called the ______. A) B) C)

The lowest energy state of an atom is called the ______. A) B) C) D) Excited state Dependent state Independent state Ground state

What is the approximate energy of a photon having a frequency of 4. 0

What is the approximate energy of a photon having a frequency of 4. 0 x 107 Hz ?

What is the approximate frequency of a photon having an energy of 5. 25

What is the approximate frequency of a photon having an energy of 5. 25 x 10 -24 J ?

What is the difference between a 2 s and a 3 s orbital? A)

What is the difference between a 2 s and a 3 s orbital? A) B) C) There is no difference More electrons can occupy a 3 s The 3 s is larger in volume and a greater distance from the nucleus than a 2 s

Write Noble gas configurations for the following elements: A) B) C) D) Nb (41)

Write Noble gas configurations for the following elements: A) B) C) D) Nb (41) At (85) Ag (47) Cm (96)

ANSWERS A) B) C) D) Nb (41) At (85) Ag (47) Cm (96) [Kr]

ANSWERS A) B) C) D) Nb (41) At (85) Ag (47) Cm (96) [Kr] 5 s 2 4 d 3 [Xe] 6 s 2 4 f 14 5 d 10 6 p 5 [Kr] 5 s 1 4 d 10 [Rn] 7 s 2 5 f 8

What is the probability of finding an electron within the region of the electron

What is the probability of finding an electron within the region of the electron cloud? A) B) C) D) 50% 75% 90% 100%

What is the next atomic orbital in the series 1 s, 2 p, 3

What is the next atomic orbital in the series 1 s, 2 p, 3 s, 3 p, 4 s? A) B) C) D) 2 d 2 f 3 d 4 s

What is the correct number of electrons in the outermost energy level of an

What is the correct number of electrons in the outermost energy level of an oxygen atom? A) B) C) D) 2 4 6 8

Which of the following states that no more than two electrons can occupy an

Which of the following states that no more than two electrons can occupy an atomic orbital and that two electrons in the same orbital must have opposite spins? A) B) C) D) Hund’s rule Pauli exclusion principle Dalton’s theory Aufbau principle

Which electron configuration of the 4 f energy sublevel is the most stable? A)

Which electron configuration of the 4 f energy sublevel is the most stable? A) B) C) D) 4 f 6 4 f 7 4 f 13 4 f 14

A wave has wavelength= -7 5. 80 x 10 m n Convert this wavelength

A wave has wavelength= -7 5. 80 x 10 m n Convert this wavelength to nanometers.

Which of the following electromagnetic waves have the highest frequencies? A) B) C) D)

Which of the following electromagnetic waves have the highest frequencies? A) B) C) D) ultraviolet light waves X-rays Microwaves Gamma rays

How do the energy differences between the higher energy levels of an atom compare

How do the energy differences between the higher energy levels of an atom compare with the energy differences between the lower energy levels of the atom? A) B) C) They are greater in magnitude. They are smaller in magnitude. There is no significant difference in the magnitudes of these differences.

Things to know……. . 1. 2. 3. 4. Principles of electron configurations Explanation for

Things to know……. . 1. 2. 3. 4. Principles of electron configurations Explanation for discrete lines in atomic emission spectra You will be given c and h as well as a periodic table. Hydrogen’s spectrum and series of lines

Suggested Book Problems n Pg. 149 22, 25, 27, 29, 30, 31, 33, 35,

Suggested Book Problems n Pg. 149 22, 25, 27, 29, 30, 31, 33, 35, 37, 39, 40, 41, 44, 49, 50, 55, 58, 59, 61, 63, 65, 68

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