the current atomic model would be revised if 1)better microscopes were being used to study its structure. 2)better microscopes are invented in the future. 3)new information about an atoms structure is discovered.*** 4) a new element is discovered in the

18,105 results
  1. science

    the current atomic model would be revised if 1)better microscopes were being used to study its structure. 2)better microscopes are invented in the future. 3)new information about an atoms structure is discovered.*** 4) a new element is discovered in the

  2. science

    The modern atomic model includes electrons orbiting the nucleus. Which of the following parts of Dalton's atomic model was disproved by the discovery of the electron? - Atoms are tiny particles. - Atoms cannot be divided into smaller parts . - Atoms have

  3. Science--HELP!!

    Can you please check my answers: 1. Dalton's idea that atoms cannot be divided into smaller parts was disproved by the discovery of _________ (electrons?) 2. The description of the structure of the atom is called ______ (atomic model?) 3. In a water

  4. Chemistry

    which atomic model best explains the helium atom? A. Bohr's Model B. Dalton's Model c. Quantum mechanical model D. Thompson Model Not really sure what this question is asking.

  5. Science 1 easy question!!!!

    One way the modern atomic model differs from Thomsons atomic model is that electrons are no longer scattered throughout an atoms positive matter like chocolate chips in cookie dough, instead each electron is outside of the nucleus occupying a specific

  6. Science Chemical Reactions

    1. The current atomic model would be revised if (1 point) A• better microscopes were being used to study its structure. B• better microscopes are invented in the future. C• new information about an atom’s structure is discovered. C• a new element

  7. science help

    What would happen to the current model of the atom if new information about its structure is discovered in the future? A. The current atomic model would be revised. B. The current atomic model would be strengthened. C. The current atomic model would be

  8. science

    1.the modern atomic model includes orbiting the nucleus. which of the following parts of dalton's was disproved by the discovery of the electron atoms are tiny particles atoms cannot be divided into smaller parts atoms have specific mass and size atoms

  9. science Help 911!!

    If new information about the behavior of atoms is discovered and verified, then revisions will need to be made to the current? A. atomic theory B. atomic model C. atomic number D. carbon cycle Is the answer A?

  10. science

    Cobalt has a mass number of 59 and an atomic number of 27. A student wants to create a model of a cobalt atom. Which statement about the model is correct?

  11. Science

    An atomic model shows 19 protons, 20 neutrons, and 19 electrons. What is the mass number of the atom?(1 point) 39 58 19 20 I need help

  12. Science!

    Ernest Rutherford's atomic model included a nucleus comprised of positive particles called protons. Later, James Chadwick discovered neutrons. How did Chadwick's discovery change the atomic model? A. The new model showed a negatively charged nucleus. B.

  13. Chemistry

    What limitations might an atomic model have in properly illustrating the structure of an atom? An atomic model cannot be used to represent the relative number of each subatomic particle within a specific atom. An atomic model helps with calculations to

  14. Science

    The Composition of Atoms Quick Check questions and answers Science 8 A Unit 3: Matter Interactions A. A model of an atom shows eight electrons in rings that represent different energy levels. How many electrons are in each energy level? 1. four in the

  15. Science

    The modern atomic model includes electrons orbiting the nucleus. Which of the following parts of Dalton’s atomic model was disproved by the discovery of the electron? A. Atoms are tiny particles. B. Atoms cannot be divided into smaller parts. C. Atoms

  16. algebra 2

    A doctor needs at least 60 adults for a medical study. He cannot use more than 40 men in the study. Write a system of inequalities to model the situation and solve the system by graphing.

  17. Calculus

    Foggy optics, inc. makes laboratory microscopes. setting up each production run costs $2500. Insurance costs, based on the average number of microscopes in the warehouse, amount to $20 per microscope per year. storage costs, based on the maximum number of

  18. teachers aide in early childhood education program

    the most rigidly structured early childhood program disussed in this study unit is ? (a)head start (b)the eclectic model (c)the montessori model (d)DISTAR I cannot figure this one out ,i know it is not head start .can someone please help me

  19. biology

    One advantage of electron microscopes over light microscopes is their _____. A. size B. higher magnification C. two-dimensional image D. use of live specimens

  20. Science

    Which of the following identifies a measurement, its SI units, and the tool most commonly used to measure it? a. length, meter, ruler *** b. temperature, degrees Fahrenheit, thermometer c. weight, gram, scale d. volume, millimeter, meniscus Why do

  21. science

    Consider the scenario. Scientists have developed a computer program that can be used to predict when volcanoes will erupt. What type of scientific model is this? mathematical model conceptual model practical model physical model I think it is conceptual

  22. Science

    The current atomic model would be revised if A. better microscopes were being used to study its structure. B. better microscopes are invented in the future. C. new information about an atom’s structure is discovered. D. a new element is discovered in the

  23. CICI

    How do light microscopes work? Light microscopes use an electron beam to create an image of a specimen. Light microscopes use a combination of light and lenses to magnify a specimen.*** Light microscopes use a tiny tip that traces a specimen, enlarging it.

  24. science

    A major motor company displays a die-cast model of its first automobile, made from 9.35kg of iron. To celebrate its one-hundreth year in business, a worker will recast the model in gold from the original dies. What mass of gold is needed to make the new

  25. science helpppppp again!!

    the cell theory was developed by Robert hooke*** developed before microscopes were invented developed only after electron microscopes became widely used developed by many scientists over the years Most Bacteria are unicellular eukaryotes unicellular

  26. physical science

    compare the postions of the electrons in Bohr's model of the atom with their positions according to modern atomic theory

  27. Science 1 easy question!!!!

    If new information about the behavior of atoms is discovered and verified, then revisions will need to be made to the current___ My answer: Atomic model?

  28. Science

    18. The description of the structure of the atom is called the ___. ATOMIC MODEL 19. In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A ______ bond is found in a water molecule. COVALENT BOND 20. Sodium chloride is formed

  29. Science

    Use the following words to fill in the blanks. Atomic number Ionic bond Atomic mass Law of conservation of mass Endothermic reaction Electron Covalent bond Product Isotope Proton Carbon cycle Energy level, orbital, or shell Atomic model Atomic theory 1.

  30. math

    The next model of a sports car will cost 4.4% more than the current model. The current model costs $36,000. How much will the price increase in dollars? What will be the price of the next model?

  31. English

    Part 2: Identify and correct the sentence structure errors in the following sentences (5 marks). 1) The comedian was very funny I couldn’t stop laughing. Error: Revised: 2) I love superhero movies. Like Iron Man and The Avengers. Error: Revised: 3) I was

  32. Science

    What is the difference between Thomson's Plum pudding Model and Rutherford's Atomic model of scattering

  33. chm

    Why are the atomic masses listed in the periodic table not whole numbers? Answer Scientists have yet to make the precise measurements. That would be too much of a coincidence. ??>>The atomic masses are average atomic masses. or >>Today's instruments are

  34. science Help 911!!

    One way the modern atomic model differs from Thompson's atomic model is that electrons are no longer scattered throughout an atoms positive matter like chocolate chips in cookie dough. Instead, each electron is outside of the nucleus occupying a

  35. Science - Chemistry

    1. Dalton's idea that atoms cannot be divided into smaller parts was disproved by the discovery of the ____. 2. The description of the structure of the atom is called the ___. 3. In a water molecule, two atoms of hydrogen and one atom of oxygen share

  36. Chemistry

    How can the atomic orbital be described in the quantum mechanical wave model of the orbitals? A. A collection of balloons B. A circular ring C. A probability density thinking its a, since the model has a complex shape, but not sure... any help?

  37. Science

    Which of the following identifies a measurement, its SI unit, and the tool most commonly used to measure it? A. length, meter, ruler** B. temperature, degrees Fahrenheit, thermometer C. weight, gram, scale D. volume, millimeter, meniscus Why do scientists

  38. Final Exam- Honors Physical Science

    how can you determine the number of protons, electrons,neutrons, atomic number, and the atomic mass of an element using the periodic table? Atomic mass is given in the table, as well as the atomic number and atomic mass number. Atomic number is the number

  39. science

    1.the atomic model would be rivsed if?

  40. Chemistry

    The standard atom for the atomic masses of all the elements is the atom of carbon which has 6 protons and 6 neutrons (12C) and is assigned the atomic mass of exactly 12. Under this standard, the atomic mass of iron, atomic number 26, is 55.845 u and the

  41. Science

    Why is the atomic model and theory subject to change?

  42. SCIENCE

    What was the name of Antoine Henri Becquerel's atomic model?

  43. Science

    How did the discovery of neutrons change the atomic model?

  44. Physics

    What happens to the atomic number of the daughter nucleus if it is formed after the emission of the beta particle? The atomic number remains the same. The atomic number increases by two. The atomic number increases by one. The atomic number decreases by

  45. SCIENCE

    Why split field microscopy is used in mask aligner? I. As dimension of the alignment marks on wafer as well as masks are in micron range, microscopes are required to observe those while aligning II. Split-field microscopy enables the user to view the

  46. Chem Check Please!!!

    1) Calculate the cell potential, at 25 C, based upon the overall reaction Zn2+(aq) + 2 Fe2+(aq) -> Zn(s) + 2 Fe3+(aq) if [Zn2+] = 1.50 x 10^-4 M, [Fe3+] = 0.0200 M, and [Fe2+] = 0.0100 M. The standard reduction potentials are as follows: Zn2+(aq) + 2

  47. science

    The current classification system used by biologists is: A)Complex and unchanging. b)universally accepted by all biologists c)based on four generalized types of living organism: the bacteria, archaea, eukarya and protista d) updated and revised whenever

  48. Science

    The current atomic model would be revised if... A.)Better microscopes were being used to study its structure. B.)Better microscopes are invented in the future. C.)New information about an atoms structure is discovered.

  49. Science

    Hello:) i just need help to see is my answers are right The current atomic model would be revised if a. better microscope for being used to study at structure b. better microscopes are invested in the future c. new information about an anthem‘s

  50. Science.... PLEASE HELP :(((

    The current atomic model would be revised if _______. :(

  51. Science question

    What would happen to the current model of the atom if new information about it’s structure is discovered in the future? Would it be revised, strengthened,proven or defended?

  52. science

    One way the modern atomic model differs from Thomson’s atomic model is that electrons are no longer scattered throughout an atom’s positive matter like chocolate chips in cookie dough. Instead, each electron is outside of the nucleus occupying a

  53. science

    briefly describe two types of microscopes other than light microscopes, and explain for what purposes they would be used.

  54. Microscopes

    What is the resolving power for light microscopes, and what is it for electron microscopes?

  55. Science

    The modern atomic model includes electrons orbiting the nuclear us which of the following parts of daltons atomic model was disapproved by the discovery of the electron? Adams are tiny particles atoms cannot be divided into smaller parts atoms have

  56. chemistry

    1. what do the spectral lines represent in the bohr atomic model? 2. What do the black spaces represent in the Bohr atomic model?

  57. Science

    Daltons idea that atoms cannot be divided into smaller parts was was disproved by the discovery of______? The description of the structure of the atom is called the________? In a water molecule, two atoms of hydrogen and one atom of oxygen shared

  58. Science

    The cell theory was A: developed by Robert Hooke B: developed before microscopes were invented C: developed only after electron microscopes became widely used D: developed by many scientists over many years Is the answer A?

  59. PLEASE HELP

    13. The picture is a model of a nitrogen atom. What is incorrect about the atomic orbital arrangement of electrons in this model?

  60. science

    one way the modern atomic model differs from the bohr model of an atom

  61. college statistics

    The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees (n = 474) and their starting salaries. The study collected current and beginning salary data for each of the 474 employees and the

  62. Science

    Cobalt has a mass of 59 and a atomic number of 27A student wants to create a model of a cobalt atom which statement about the model is correct

  63. Chemistry

    The Bohr model stops representing correct atomic structure when? Why? What does this mean for remaining atoms? How does Bohr's model relates to the periodic table?

  64. physics

    Explain what ideas led Bohr to suggest a new atomic model; and state Bohr postulates. Explain also, in words, what the correspondence principle is in atomic physics.

  65. Science

    Which of the following identifies a measurement, its SI units, and the tool most commonly used to measure it? a. length, meter, ruler *** b. temperature, degrees Fahrenheit, thermometer c. weight, gram, scale d. volume, millimeter, meniscus Why do

  66. Science 10

    I am doing my science 10 by correspondence and I came upon a question that puzzles me. Why are modern light microscopes called Compound microscopes. That and How would I "determine theactual size of the cells shown in the illistration if the field diameter

  67. physics

    Which of the following is correct according to Rutherford's atom model? Choose one answer. a. Atomic spectra should be line spectra. b. Electrons do not radiate while revolving in an orbit. c. Atomic spectra should be continuous spectra. d. Electrons are

  68. Thank you Ann (kinematics)

    Thank you Ann! I had the equations and really was closing in on the answer... (stopping for 23 s is what really got me confused) in either case, the displacement for a) is 888 m ! Now I'll try to calculate (b). Thank you much! P.S. This is in response to

  69. english-research

    Im analyzing the case study for the company The big Carrot. The case is confusing and I need to figure out which decision making model the company uses? Through our class we have 4 options. The managment science approach, the carnegie model, the

  70. Chemistry

    What parts of Dalton’s atomic theory no longer agree with the current picture of the current picture of the atom? Provide an answer using at least 3 to 4 complete content related sentences in your own words.

  71. science

    cobalt has a mass number of 59 and an atomic number of 27. a student wants to create a model or a cobalt atom. which statement about the model is correct?

  72. English Grammar (cover letter)

    Revised sentence from an earlier question. Any grammatical errors? My education, communication skills, and international experience in both a study and work capacity prove me a standout candidate for the position.

  73. Chemistry

    What is Daltons atomic model look like?

  74. science

    Rutherford used his gold foil experiment as evidence for a new atomic model. He suggested that the atom contained a small positively charged nulceus surrounded by a large void filled with only a few electrons orbiting the nucleus. What other experiment or

  75. Science

    how did the discovery of nutrons change the atomic model

  76. Science

    What was the name of Antoine Henri Becquerel's atomic model?

  77. physics

    What happens to the atomic number of the daughter nucleus if it is formed after the emission of the beta particle? The atomic number remains the same. The atomic number increases by two. The atomic number increases by one. The atomic number decreases by

  78. Elem. Ed.

    The term "curriculum" can mean an academic area of study or: 1. a federal guideline 2. a holistic subject 3. the total program 4. a separate model Can't "curriculum" mean the total program? Generally, it means an integrated program of study. That can be

  79. chemistry

    Back to the atomic emmission spectrum and the atomic theory. in the 1900s, scientists observed that when a gaseous element, such as hydrogen was subjected to an electric discarge that the atoms emitted electromagnetic radiation. The light emmitted could be

  80. Physical Science 9

    how did chadwicks discovery of nutrons change the atomic model

  81. Physics

    What happens to the atomic number of the daughter nucleus if it is formed after the emission of the beta particle? The atomic number remains the same. The atomic number increases by two. The atomic number increases by one. The atomic number decreases by

  82. college Macroeconomics

    consider a country with an economic structure consistent with the assumptions of the classical model. Suppose that businesses in this nation suddenly anticipate higher future proftability from investments they undertake today. explain whether or how this

  83. Statistics

    The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The study collected current salary data

  84. Research Statistics

    The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The study collected current salary data

  85. statistics

    The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The study collected current salary data

  86. pschology

    Research Data Critique Scenario One The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The

  87. chemistry

    What are the materials used to create a free standing atomic model of iodine?

  88. Science

    Consider the scenario. Scientists have developed a computer program that can be used to predict when volcanoes will erupt. What type of scientific model is this? 1) Physical model 2) Mathematical model 3) Practical model 4) Conceptual model I believe that

  89. exponential equations

    If a brand new Nissan Frontier pickup truck has a current value of $22 500 off the lot, calculate how long, t, it will take to depreciate to half of it’s current value. This particular model has a depreciation rate of 23%. Give answer to 2 decimal

  90. Math

    Mrs. Roberts plans to purchase a microscope for a present as a Christmas gift. The A model magnifies to a maximum of 5 x10 2 power , while the b model magnifies to a maximum of 3x10 3 power times. Which of the following statements is true? 1. The b model

  91. statistics

    I'm trying to work through the proof for SST = SSM + SSE MEAN = ∑(X)/N SST = ∑((x - MEAN)^2) = ∑(x^2 - 2 * x1 * MEAN + MEAN^2) = ∑(x^2) - 2 * MEAN * ∑(x) + N * MEAN^2 = ∑(x^2) - 2 * ∑(x)^2/N + ∑(x)^2/N = ∑(x^2) - ∑(x)^2/N SSM =

  92. science

    ok this is a word search! study of ancient artifacts- study of animals_ study of prehistoric fossils- study of chemical matter- study of the laws of motion and matter- study of life sciences-

  93. Statistics in Psychology

    What is a proper Null and Alternative HypothesThe CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and

  94. Chemistry

    12) Naturally occurring argon is composed of 0.3365% of 36Ar (atomic mass, 35.9675 u), 0.0632% of 38Ar (atomic mass, 37.9627 u), and 99.6003% of 40Ar (atomic mass, 39.9624 u). Use these data to calculate the average atomic mass of argon.

  95. PHYSICS

    Calculate for Bohr's atomic model the speed of the orbiting electron in the n = 7 state. (Answer in m/s)

  96. Physical Science

    Write a paragraph or two about how and why has the atomic idea/model changed (Greeks 1600-1930)

  97. Science

    Show me how to choose an element and draw it's atomic model Labeling all the parts and particles

  98. science

    I have to draw Atomic Model Drawings of the Reaction to H2CO3 and then show a balance check. How do I do that?

  99. stastistics(psychology)

    A study was conducted to identify the predictors for symptomatic distress in EMS workers. Five predictor variables were used in a regression model and fitted to a data collected on n = 147 EMS workers and yielded F* = 34.47. In testing the usefulness of

  100. physical science

    6. Draw a model of the atom shown in the atomic box below. Be sure to place all the protons, and neutrons in the correct location.

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