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Newest Atomic Structure Questions

1. The electron cloud model described the ___ of electrons in an atomA. charge B. Number C. Likely locations D. Precise Locations
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2. Measure mainly of the nuclear potential: protons + neutronsA. Atomic mass B. Subatomic particles C. Gluons D. Atomic number
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3. The nucleus of an atom is dense and positively charged. What was observed when positively charged particles were radiated onto a
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4. A neutron strikes an atom of uranium-235 to start a fission reaction. A student expresses this situation as 01n+235 92U . Which
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5. Almost all of an atom's mass is found in its nucleus,located in the center of the atom. An atom's nucleus can contain two types
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6. Which contribution added to Rutherford's discovery of a positive nucleus?a) Atoms are indivisible. b) Electrons are scattered in
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7. The statement that no more than two electrons in the same atom can occupy a single orbital isa. the Pauli exclusion principle.
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8. Which statement about the number of protons and neutrons in a nuclear change is correct?(1 point)Responses The relative numbers
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   2. asked by u dont know me
   3. 62 views
9. 1. State Aufbau's rule.2. Which sub shell is filled first ? 3.how many electrons can fit in an s orbital? 4. How many electrons
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   2. asked by A. B .I
   3. 122 views
10. These electrons are found in the outer energy level of the atom and determine the chemical properties-Valence Electrons Neutral
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11. Rutherford concluded from his evidence collected from the gold foil experiment that electrons were widely separated and there
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12. Which feature defines a neutral atom?(1 point)Responses the ability to change to another substance during a chemical reaction
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13. Which subatomic particles are used to calculate the atomic number? Which subatomic particles are used to calculate the mass
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14. Make the following statements as true or false if false correct the statementIn a neutral atom the number of proton always
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15. The center of an atom is called the nucleus. The nucleus is made up of particles called protons and neutrons. spin around the
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    2. asked by social studies
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16. The center of an atom is called the nucleus. The nucleus is made up of particles called and neutrons. spin around the nucleus in
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    2. asked by social studies
    3. 171 views
17. Select the correct responses from the word bank. Please make sure they are spelled correctly, but they are not case-sensitive.**
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    2. asked by A
    3. 362 views
18. Which statement about the number of protons and neutrons in a nuclear change is correct?(The total charge before and after the
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    2. asked by Anonymous
    3. 679 views
19. 5.Which statement accurately describes the atoms of a specific element? A zinc‚ Zn‚ atom contains 30 protons inside the
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    2. asked by Egg Roll
    3. 1,603 views
20. 1 Name each subatomic particle, its charge, and its location in an atom.A. proton, positive charge, nucleus; neutron, positive
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    2. asked by Anonymous
    3. 1,516 views
21. Which argument best explains the charge of an atomic nucleus? (1 point)An atomic nucleus is positively charged because it is
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    2. asked by Student
    3. 1,650 views
22. Please just help with these few! Also, these are my answers.Which statement accurately describes how electrons are arranged in
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    2. asked by Connexus. PLEASE HELP
    3. 859 views
23. 1) What subatomic particles are located in the nucleus and have no effect on the charge of the atom?a) Protons and neutrons b)
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    2. asked by megan
    3. 922 views
24. Problem:An excited hydrogen atom could, in principle, have a radius of 2.50 mm . ________ Part A: What would be the value of n
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    2. asked by Dom
    3. 4,053 views
25. 18. The description of the structure of the atom is called the ___. ATOMIC MODEL19. In a water molecule, two atoms of hydrogen
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    2. asked by Amy@@
    3. 2,505 views
26. 1) The letter "p" in the symbol 4p^3 indicates the ___.A) spin of an electron B) orbital shape*** C) principal energy level D)
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    2. asked by Mary
    3. 7,882 views
27. Check answers?1) Why did J.J. Thomson reason that electrons must be a part of the atoms of all elements? A) Cathode rays are
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    2. asked by Mary
    3. 890 views
28. Check answers?1) Why did J.J. Thomson reason that electrons must be a part of the atoms of all elements? A) Cathode rays are
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    2. asked by Mary
    3. 6,114 views
29. What specific evidence from the gold foil experiement led Rutherford to come to each of the following conclusions?The nucleus
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    2. asked by Anonymous
    3. 968 views
30. 1. Dalton's idea that atoms cannot be divided into smaller parts was disproved by the discovery of the ____.2. The description
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    2. asked by Hunter
    3. 1,714 views
31. Picturetrue of false The atom shown in the diagram has 4 energy levels or shells. 2. The atom shown in the diagram above has a
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    2. asked by Anonymous
    3. 1,294 views
32. For a Sc atom in ground electronic state:1. how many electrons are there in 4s orbitals? 2. how many electrons are there in 3d
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    2. asked by S
    3. 634 views
33. 1.the modern atomic model includes orbiting the nucleus. which of the following parts of dalton's was disproved by the discovery
    1. 11 answers
    2. asked by alex
    3. 4,489 views
34. Q: Number of unpaired electrons in the nitrogen atom.A: 1s^2 2s^2 2p^6. 3 unpaired electrons in the p orbital Q: Number of 4d
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    2. asked by Anonymous
    3. 688 views
35. 1. Which of the following correctly identifies the composition of an oxygen atom? (1 point)8 protons, 8 electrons, and 8
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    2. asked by XenaGonzalez
    3. 7,589 views
36. Can you please check my answers:1. Dalton's idea that atoms cannot be divided into smaller parts was disproved by the discovery
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    2. asked by Amy
    3. 9,435 views
37. A. Orbital shapeB. Orientation in the orbital C. Main energy level D. Electron spin
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    2. asked by Morgan
    3. 491 views
38. A sodium atom when excited gives off two very specific wavelengths of visible light. What does this tell us about sodium?A.
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    2. asked by Morgan
    3. 3,207 views
39. Which statement describes the principal quantum number (n)?A. The quantum number that indicates the subshell occupied by an
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    2. asked by Morgan
    3. 3,479 views
40. The energies, E, for the first few states of an unknown element are shown here in arbitrary units:n= 1, E=-21 n=2, E=-9 n=3,
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    2. asked by tec
    3. 33,908 views
41. 6. The H atom and the Be3+ ion each have one electron. Does the Bohr model predict their spectra accurately? Would you expect
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    2. asked by Sajeth
    3. 2,546 views
42. An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of
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    2. asked by bigurl1.4
    3. 5,743 views
43. getting ready to turn this in just want to check my answers any takers??1. In an atom, electrons ____. (1 point) are located in
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    2. asked by T-mara
    3. 680 views
44. Determine the maximum number of electrons that can have each of the following designations.2f,1Py,2Pz,5dyz,6f
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    2. asked by Farha
    3. 5,783 views
45. An estimation of the radius of a lead atom:a. You are given a cube of lead that is 1.000 em on each side. The density of lead is
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    2. asked by Arnol
    3. 2,052 views
46. A. How many protons are in one atom of fluorine - 19?B. How many neutrons are in one atom of potassium - 39? C. How many
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    2. asked by Anne
    3. 1,182 views
47. I have look and read and I still cant figure the couple out can someone please help? Number of orbital’s in the 2p subshell?
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    2. asked by Jennifer
    3. 535 views
48. A tin atom has 50 electrons. Electrons in which sublevel of this atom would experience the lowest effective nuclear charge?a. 1s
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    2. asked by C.
    3. 1,456 views
49. I have having difficulty understanding where L comes from in term symbol notationFor Carbon, e- configuration is 1s^2 2s^2 2p^2
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    2. asked by Steven
    3. 633 views
50. In Bohr's model of the hydrogen atom, the radius of an orbita. is proportional to n2. b. is smallest for the highest energy
    1. 1 answer
    2. asked by jeff
    3. 1,059 views