MEI, concepts of modern science, the test number 3

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Uploaded: 10.12.2010
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Question 1. What discipline methods are the basis of calculations of the electronic structure of an atom?
1. The general theory of relativity
2. Quantum Mechanics
3. Electrodynamics
4. stoichiometry
5. Thermodynamics
Question 2. What is the region of space around the nucleus in which the electron is most likely?
1. heterocycle
2. Ring
3. orbital
4. Grille
5. isobar
Question 3. Which of the following statements is correct?
The theory of the electronic structure of the atom ...
1. To promote the discovery of the periodic law of the chemical elements
2. give a quantitative expression of the periodic law of the chemical elements
3. Set the physical meaning of the periodic law of the chemical elements
4. showed limited effects of the periodic law of the chemical elements
5. Mendeleev was created
Question 4. Which element of his discovery confirmed the validity of the periodic table?
1. Oxygen
2. Sodium
3. Magnesium
4. Potassium
5. gallium
Question 5. Which of the following statements can be used as a theoretical justification of the periodic table of chemical elements?
1. similar structure outside the energy levels of the atoms of elements makes the same character of their properties
2. The electron has a charge value equal to 1.6022 * 10-19
3. the formation of nuclei by combining the nucleons must stand energy equal to the binding energy of the nucleus
4. each pure substance, regardless of the preparation method, has a constant composition
5. equal volumes of gases at identical conditions, contains the same number of molecules
Question 6. What is the phenomenon lies in the existence of chemical compounds having the same qualitative and quantitative composition, but differing structure and properties?
1. amphoteric
2. isomerism
3. Polymerization
4. Radioactivity
5. Luminescence
Question 7. Which of the scientists explained the phenomenon of isomerism?
1. Lavoisier
2. Boyle
3. Wohler
4. Liebig
5. Butlerof
Question 8. What is the branch of chemistry that studies the rate and mechanisms of chemical reactions?
1. Electrochemistry
2. Structural Chemistry
3. chemical kinetics
4. Chemical thermodynamics
5. evolutionary chemistry
Question 9. What is the unstable intermediate configuration that, according to chemical kinetics, makes each pair of molecules involved in a chemical reaction?
1. The free radical
2. activated complex
3. benzene ring
4. The electron cloud
5. inert gas
Question 10. What is the phenomenon of change of speed of a chemical reaction under the influence of special substances, is not consumed in the reaction, but affect its speed?
1. electrolysis
2. reversibility
3. Catalysis
4. Hydrolysis
5. Synthesis
Question 11. What do you call an open, self-renewing, self-regulating, self-reproducing system constructed of biopolymers and passing irreversible path of development?
1. The atom
2 molecule
3. The living organism
4. The electromagnetic field
5. Universe
Question 12. What are the names discrete states of nature, characterized by subordination, interconnectedness, specific laws (cell, organism, species, population, etc.)?
1. The taxonomic categories
2. allotropic modifications
3. The energy levels
4. The levels of organization of wildlife
5. biological nomenclature
Question 13. What is the level of organization of wildlife associated with the functioning of a living organism as a whole?
1. cellular level
2. molecular level
3. organ level
4. population-species level
5. organismal level
ETC. And so the 45 questions

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