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Terms in this set (28)The concept of an atom as a small particle of matter that cannot be divided was proposed by the ancient Greek phlisopher, Democritus. True Dalton's atomic theory improved earlier atomic theory by which two of the
following? a. theorizing that all atoms of the same element are identical and c. using experimental methods to establish a scientific theory Of
the three subatomic particles that form the atom, the one with the smallest mass is the neutron. False Which property is NOT used to distinguish among subatomic particles? c. color Which subatomic particles are in
the nucleus of an atom, as discovered by Rutherford? d. protron, neutron Isotopes of an element have: a. the same number of protons but different numbers of neutrons How many neutrons are in sulfur-33 (get the atomic number from periodic table)? c. 17 neutrons The number of which subatomic particles are always equal to an
element's atomic number? d. number of protons Bohr's planetary model of the atom could not explain: d. the chemical properties of elements Bohr's model of the atom proposed that electrons are found: b. in circular orbits at fixed distances from the nucleus What is the lowest-numbered energy level in which p orbitals are found? a. 2 What would be the maximum number of electrons in a full p sublevel? d. 6 The letter ____ is
used to denote a spherical orbital. a. s How many sublevels are in the n = 2 principal energy level? d. 2 Identify the element that corresponds to the following electron configuration: 1s2 2s2 2p5 a. F Select the correct ground state electron configuration for a neutral atom of nitrogen. a. 1s2 2s2 2p3 The aufbau principle states that electrons fill the lowest energy level first. True In an electron configuration, what does the superscript stand for? d. number of electrons in the orbital In an electron configuration, what does the letter stand for? d. sublevel In an electron configuration, what does the "capital" number stand for? d. energy levels of electrons Filled energy
sublevels are _______ stable than partially filled sublevels. a. more How many electrons are in the highest occupied principle energy level of barium? b. 2 Which of the following orbital designations are invalid? c. 3f What noble gas core would you use to write abbreviated configurations for teach of the following? Ra a. [Rn] a. [Rn] What noble gas core would you use to write abbreviated configurations for teach of the following? Ca a. [Rn] a. [Ar] What noble gas core would you use to write abbreviated configurations for teach of the following? Sn a. [Rn] b. [Kr] Once the electron in a hydrogen atom absorbs a quantum of energy, it: b. is now in its excited state Which color of visible light, shown below, has the longest wavelength? a. red Sets found in the same folder
Chapter 6 Chem Test Review27 terms Preston_Stork14 Chapter 7 and 9 comprehension check26 terms Preston_Stork14 Chemistry Chapter 1 Comp Check17 terms Preston_Stork14 Chemistry chapter 2 comprehension check34 terms Preston_Stork14 Other sets by this creatorComida36 terms Preston_Stork14 Chapter 4 Study guide Theology24 terms Preston_Stork14 Capítulo 2 vocabulario 428 terms Preston_Stork14 Capítulo 2 vocabulario 2 y 3 esp 328 terms Preston_Stork14 Verified questionschemistry Use the periodic table to write the names for the following elements: O, S, Cu, Ag. Verified answer chemistry At $35 ^ { \circ } \mathrm { C } , K = 1.6 \times 10 ^ { - 5 }$ for the reaction $$ 2 \mathrm { NOCl } ( g ) \rightleftharpoons 2 \mathrm { NO } ( g ) + \mathrm { Cl } _ { 2 } ( g ) $$ Calculate the concentrations of all species at equilibrium for each of the following original mixtures. 1.0 mole of NOCl and 1.0 mole of NO in a 1.0-L flask. Verified answer chemistry (a) Estimate the magnitude of the primary kinetic isotope effect on the relative rates of displacement of $^{1}\mathrm{H}$ and $^{3} \mathrm{H}$ in a C-H bond. Will raising the temperature enhance the difference? Take $k_{f}(C-H)=450\ N\ m^{-1}.$ (b) Estimate the magnitude of the primary isotope effect on the relative rates of displacement of $^{16} \mathrm{O}$ and $^{18} \mathrm{O}$ in a C-O bond will raising the temperature enhance the difference? Take $k_{f}(C-O)=1750\ N\ m^{-1}.$ Verified answer
chemistry Which species is the oxidizing agent in the reaction shown? Fe(s) + PbCl2(aq) → FeCl2(aq) + Pb(s) iron, lead(II) ion, iron(II) ion or lead Verified answer Recommended textbook solutions Chemistry for Engineering Students2nd EditionLawrence S. Brown, Thomas A. Holme 945 solutions
Principles of Environmental Chemistry3rd EditionJames Girard 371 solutions Chemical Reaction Engineering3rd EditionOctave Levenspiel 228 solutions Organic Chemistry6th EditionJanice Gorzynski Smith 2,029 solutions Other Quizlet setsPM Midterm45 terms S_P_1 Micro final 2019119 terms mollyschwabauer Wildland Tactics Chp. 1 Fireline Safety37 terms Shonuff72 Econ 203 Assignment 237 terms sallybel Which particle has the smallest mass?The majority of the mass of the atom is found in the nucleus, which is made up of protons and neutrons. The part of the atom with the smallest mass is the electron.
Which is the smallest particle quizlet?Atoms are the smallest particles that exist. The number of protons an atom has in its nucleus is same as its atomic number.
Which of these particles is the smallest?An atom is the smallest particle of an element, having the same chemical properties as the bulk element.
Which of the three particles that make up an atom has the smallest mass?Electrons are the smallest of these particles. Protons, neutrons, and electrons are all called particles. Empty space in atoms. The particles that make up an atom are very small.
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Which particle has the smallest mass quizlet?
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