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Goldstein's "canal rays" are characterized by __________.

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Presentation on theme: "Goldstein's "canal rays" are characterized by __________."— Presentation transcript:

1 Goldstein's "canal rays" are characterized by __________.
positive charge negative charge no charge no apparent mass neither charge nor mass 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

2 neutron / electron / proton electron / neutron / proton
What is the correct chronological order of the establishment of the existence of subatomic particles? discovered first / discovered second / discovered last neutron / electron / proton electron / neutron / proton neutron / proton / electron proton / neutron / electron electron / proton / neutron 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

3 What was Moseley's conclusion on the basis of the analysis of his X-ray experiments?
Each element has at least one isotope. Each element differs from its preceding element (in the periodic table) by having one more proton in its nucleus. Each element has at least one neutron in its atoms. An atom of an element has the same number of electrons and neutrons. He was able to calculate the charge of an electron. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

4 I II III I and II II and III
Which response includes all the true statements and none of the false ones? I. The number 23 in the symbol 23,11Na represents the sum of the number of protons and electrons in the nucleus of a sodium atom. II. If we know that an element is sulfur, then its atomic number must be 16. III. All neutral atoms of a particular element are identical in every respect. I II III I and II II and III 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

5 Give the number of protons, neutrons, and electrons in an atom of the 22,10Ne isotope.
10 p, 12 n, 10 e 10 p, 10 n, 12 e 10 p, 12 n, 12 e 12 p, 10 n, 12 e 10 p, 22 n, 10 e 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

6 What is the symbol for an atom composed of 17 protons, 20 neutrons, and 17 electrons?
37,20Ca 35,17Cl 37,17Cl 54,37Rb 36,17Cl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

7 An atom of the 40K isotope contains ______ neutrons.
19 20 21 40 none of these 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

8 Which statement is false?
Cathode rays are emitted by the negative electrode of an operating cathode ray tube. If two electrodes are placed perpendicular to the line of flow of cathode rays, the rays are repelled by the negative electrode. Isotopes differ only in mass number. Canal rays are unaffected by magnetic fields but are affected by electric fields. Canal rays are positive rays. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

9 Naturally occurring lithium exists as two isotopes, 6,3Li (mass = 6
Naturally occurring lithium exists as two isotopes, 6,3Li (mass = amu) and 7,3Li (mass = amu). The atomic weight of lithium is amu. What is the percent abundance of 7,3Li? 4.3% 7.8% 95.7% 92.5% 89.2% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

10 What is the wavelength in meters of radiation with a frequency = 4
What is the wavelength in meters of radiation with a frequency = 4.80 x 1013s-1? 3.48 x 10-8m 1.60 x 101m 1.44 x 1022m 6.25 x 10-6m 7.10 x 10-7m 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

11 What is the energy, in J/photon, of blue light having a wavelength of 4.240 x 10-7m?
2.81 x J/photon 6.42 x J/photon 4.69 x J/photon 7.07 x J/photon 6.28 x 10-11J/photon 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

12 7.43 x 10-19 J/atom 1.07 x 10-20 J/atom 6.05 x 10-19 J/atom
The emission spectrum of gold shows a line of wavelength x 10-7m. How much energy is emitted as the excited electron falls to a lower energy level? 7.43 x J/atom 1.07 x J/atom 6.05 x J/atom 3.60 x J/atom 5.16 x J/atom 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

13 What is the de Broglie wavelength of a proton of mass 1
What is the de Broglie wavelength of a proton of mass 1.67 x g moving at a velocity of 1.25 x 106 m/s? 5.00 x 10-1m 3.14 x 1012m 3.18 x 10-16m 4.96 x 10-4m 3.18 x 10-13m 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

14 How many orbitals are there in a sublevel if the angular momentum quantum number for electrons in that sublevel is three? one seven three nine five 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

15 I, III, and IV I, II, and IV I I, II, and III II
Choose the response that contains all the true statements and no others regarding atomic orbitals. I. Each shell, except the first, contains three mutually perpendicular, equal arm, dumbbell-shaped orbitals known as p orbitals. II. Each set of d orbitals can accommodate a maximum of 12 electrons. III. Each shell, except the first, contains a spherically shaped s orbital. IV. No known elements have electrons occupying f orbitals in their ground states. I, III, and IV I, II, and IV I I, II, and III II 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

16 Which of the following is the electron configuration of sulfur in its ground state?
1s21p62s22p6 1s22s22p33p33d4 1s22s22p33s23p63d1 1s22s22p63s23p4 1s22s22p43s23p6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

17 What is the electron configuration of In?
1s22s22p63s23p63d104s24p64d105s2 1s22s22p63s22d103p64s23d104p64d105s25p1 1s22s22p63s23p63d104s24p64d105s25p1 1s22s22p63s22d103p64s23d104p65s24d1 1s22s22p63s23p63d104s24p64d115s2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

18 The outer electron configuration ns2np4 corresponds to which one of the following elements in its ground state? As Ca Cr Br S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

19 How many unpaired electrons are there in a neutral arsenic atom (element 33)?
one two three four five 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

20 Which one of the following elements is diamagnetic in its ground state?
K Sc Cr Zn Ge 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

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