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Atomic Theory
Page 4
Questions (185)
What’s statements about Atom?
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Electrons are not randomly situated around an atom. They are located in regions known as
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Outline how the Bohr Theory for the hydrogen atom (as represented by the
formula in part (b) above) can be modified to explain
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asked by
anon
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When was the idea of the atom first introduced?
http://en.wikipedia.org/wiki/Atom#History_of_atomic_theory_and_discovery_of_atomi
1 answer
asked by
pop
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6) Select the best answer.
Bohr’s model works better for ___ atoms. simple complex
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answer the question about this bohr model. the bohr model is unavailable, so use this description instead.
n=3 n=2 n=1 Which
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According to Dalton's atomic theory, which of the following best describes an atom?
a Can be destroyed b Present in all matter c
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How did the study of the atom contribute to our understanding of the periodic table of the elements
1 answer
asked by
Daniel Park
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Match the word to its definition/description.
Column A 1. Radioactivity: Radioactivity 2. Radioisotope: Radioisotope 3. Isotope:
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e
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How does the Schrodinger model differ from the Bhor model of an atom?
A. It shows negatively charged particles in the nucleus. B.
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asked by
LemonLime
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How did the study of the atom contribute to our understanding of the periodic table of the elements?(1 point)
1 Elements are made
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tim
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Which statement is correct according to Dalton's atomic theory?
a Matter can destroy atoms. b Matter is made up of atoms. c Atoms
1 answer
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What does Bohr's theory state?
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How did the study of the atom contribute to our understanding of the periodic table of the elements?
1 answer
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Match each statement with the correct scientist.
Column A 1. His experiments involved cathode ray tubes. 2. His theory stated
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yoyo808
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Q35) For the reaction (4HBr+O_{2}=2H_{2}O+2Br_{2}), the order of the reaction with respect to [O_{2}] is 1 and che overall
Questi
1 answer
asked by
Abdulrazak umar Usman
20 views
Complete the sentence with the pronoun that agrees with the word or words in bold.
Philosopher John Dalton is credited with
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What development by Thomson led to the realization that Dalton's atomic model was too simple?
1 answer
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What development by Thomson led to the realization that Dalton's atomic model was too simple?
A Scientists discovered that all
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The charged particles in the beams that Thomson studied came from atoms. As these particles moved away from their original
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Why did Thomson’s results from experimenting with cathode rays cause a big change in scientific thought about atoms?
His
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The first model of the atom was developed through
scientific experimentation and data analysis with water vapor and gases.
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Sometimes when atoms bump into each other _____ are knocked loose from
one atom and are attracted by the positive charge of the
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What are the drawbacks of the Dalton's atomic theory
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According to Dalton's atomic theory, which of the following best describes an atom?
a) Can be destroyed b) Present in all matter
1 answer
asked anonymously
22 views
Who provided evidence for the existence of an atomic nucleus?
Ernest Rutherford J. J. Thomson John Dalton
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e
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Which part of Dalton’s theory did Thomson’s findings dispute?
Atoms of the same element have the same mass. Atoms of
3 answers
asked by
e
38 views
Magnesium combines with oxygen to form magnesium oxide. A 100-gram sample of magnesium combines with 65.8 grams of oxygen. A
1 answer
asked by
e
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Which statement is correct according to Dalton's atomic theory?
a) Matter can destroy atoms. b) Matter is made up of atoms. c)
1 answer
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True or False? All atoms constantly vibrate due to thermal energy.
* 1 point True False
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Joshua owns a small business selling bagels. He kn
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Why did the Bohr model need improvement?
It worked only for the hydrogen atom. It did not explain why the atom is quantized. It
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In the Bohr theory, what does the principal quantum number determine? (Select all that apply.)
the energy level of the electron
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Truth
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a particle of matter that has a negative electrical charge and travels around the nucleus of an atom.
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What achievement did Álvarez accomplish with his son?(1 point)ResponsesHe developed a method to detonate the atomic bomb.He
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What contribution did J.J. Thomson make to the development of atomic theory?
OPTIONS said that atoms are solid masses showed that
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asked by
hekur
1 view
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Parent Categories (8)
Atomic Structure
Chemistry
Physics
Quantum Mechanics
Science
Science and Physics
Scientists
Scientists and their contributions