![1. [4] The basic requirement for a ligand is: a. unpaired electrons b. lone pair(s) of electrons (i.e., unbonded pairs) c. a positively charged counterion d. charges 2.14] A radioactive isotope has a half-life of five years. After 25 years, how much of an 80 gram sample remains? a. 80. g b. 2.5g c. 10.g d. 40. g 3. 14] The splitting of a larger nucleus into two lighter nuclei is known as a. atomic combustion b. a chain reaction c. fusion d.fission 4. 14] The loss of a beta particle by Np results in b. 235 91 92 5. [4] Aromatic hydrocarbons contain a. essential oils b. a benzene ring c.a C-o-C group d. a COOH group 6. [4] Saturation in reference to hydrocarbons means a. no multiple bonds b. at least one multiple bond c. contains as much solute as the solvent can hold d. dripping with water 7. [4] Ester, ethers, and carboxylic acids all contain, at a minimum, which elements? a. carbon, hydrogen, chlorine b. carbon, hydrogen, oxygen, nitrogen c. carbon, hydrogen, nitrogen d. carbon, hydrogen, oxygen](http://img.homeworklib.com/questions/d42ecd60-4be5-11ec-a498-8909fe69b981.png?x-oss-process=image/resize,w_560)
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The basic requirement for a ligand is: a. unpaired electrons b. lone pair(s) of electrons (i.e.,...
In the complex MLK.Mhe has seven d electrons and L is a weak field ligand. According...
In the complex MLK.Mhe has seven d electrons and L is a weak field ligand. According to crystal field theory, the magnetic properties of this complex ion correspond to how many unpaired electrons? a. 0 b. 1 c. 2 O d. 3 e. None of the above. Which of the following statements is false? a. Alkenes tend to undergo addition reactions b. Paramagnetic complexes are repelled by magnetic fields O c. The molecule CH3CH2CH2CH2OH is an example of an alcohol...
B) Theories must be testable; hypotheses do not need to be testable. CHypotheses are educated guesses,...
B) Theories must be testable; hypotheses do not need to be testable. CHypotheses are educated guesses, and theories are tentative explanations. D) Hypotheses are derived from experimentation, whereas theories are derived from observation. 12) A) Water is an example of an element. B Nitrogen C) Glucose D) Salt 13) What are the four most common elements found in living organisms? A) nitrogen, oxygen, phosphorus, and carbon carbon, oxygen, nitrogen, and hydrogen C) carbon, oxygen, potassium, and calcium D) oxygen, calcium,...
6. How many unpaired electrons does an atom of phosphorous have in its ground state? (3)...
6. How many unpaired electrons does an atom of phosphorous have in its ground state? (3) 3 (4)5 (1) 1 (2) 2 7. A possible set of quantum numbers for the last electron added to complete an atom of silicon (Si) in its ground state is m eo m, A. 4 0 +% -% В. 3 0 +1 C. 4 1 -1 +% D. 3 1 +1 -% (1) A (2) B (3) C (4) D 8. A possible set...
(1) 1 (2) 2 6. How many unpaired electrons does an atom of phosphorous have in...
(1) 1 (2) 2 6. How many unpaired electrons does an atom of phosphorous have in its ground state? (3) 3 (4) 5 A possible set of quantum numbers for the last electron added to complete an atom of silicon (SI) in its ground state is A 4 0 0 +% B 3 0 +1 - C. 4 1 -1 +² D 3 1 +1 -2 (1) A (2) 8 (3)C (4) D 8. A possible set of quantum numbers...
6. How many unpaired electrons does an atom of phosphorous have in its ground stato? (3)...
6. How many unpaired electrons does an atom of phosphorous have in its ground stato? (3) 3 (4)5 (11 (212 7. A possible set of quantum numbers for the last electron added to complete an atom of silicon (So in its ground state is A 4 0 0 +% B 3 0 +1 - C4 1 -17% D 3 1 +1 - (1) A (2) B (3) C (4)D 8. A possible set of quantum numbers to describe an electron...
14. When are atoms most stable? A) when they have the fewest possible yale (B) when...
14. When are atoms most stable? A) when they have the fewest possible yale (B) when they have the ma C) when all of the electron Orbit D) when all electrons are paired e the fewest possible valence electrons they have the maximum number of unpaired electrons in all of the electron orbitals in the valence shell are filled ods with 15. Water molecules can form hydrogen bonds with Acompounds that have polar covalent bonds B) compounds that have non-polar...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
and A) Protons, electrons D) none of the above reside in the atomic nucleus.. B) Electrons,...
and A) Protons, electrons D) none of the above reside in the atomic nucleus.. B) Electrons, neutrons E) Neutrons, only neutrons C) Protons, neutrons compound that is composed of carbon, hydrogen and oxygen contains 70.6% C, 5.9% H. and 2357 by mass. The molecular weight of the commundis 136 am What is the molecular formula A) C,H,O, B) C,H,O | C C 0 D) | | | 0 ) C,10, 12. The molarity of a solution prepared by diluting 43.72...
____ 1. The diagram below represents serine, a polar, uncharged amino acid. Which functional group gives...
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
2.1 MULTIPLE CHOICE 1) Which element has the chemical symbol, P? Al lead B) phosphorus platinum...
2.1 MULTIPLE CHOICE 1) Which element has the chemical symbol, P? Al lead B) phosphorus platinum D) potassium to water is formed if 3.2 of methane reacts with 12. Me react to form carbon code and water. What of open to produce 3.3 o carbon dioxide? A1724 14.88 DJ 160 3) Which of the following two whom we stopes? 2.2 OTHER QUESTIONS (Fill in the blank, TRUE or FALSE and calculations) On and Complete the sentences in questions and using...
In the complex MLK.Mhe has seven d electrons and L is a weak field ligand. According to crystal field theory, the magnetic properties of this complex ion correspond to how many unpaired electrons? a. 0 b. 1 c. 2 O d. 3 e. None of the above. Which of the following statements is false? a. Alkenes tend to undergo addition reactions b. Paramagnetic complexes are repelled by magnetic fields O c. The molecule CH3CH2CH2CH2OH is an example of an alcohol...
B) Theories must be testable; hypotheses do not need to be testable. CHypotheses are educated guesses, and theories are tentative explanations. D) Hypotheses are derived from experimentation, whereas theories are derived from observation. 12) A) Water is an example of an element. B Nitrogen C) Glucose D) Salt 13) What are the four most common elements found in living organisms? A) nitrogen, oxygen, phosphorus, and carbon carbon, oxygen, nitrogen, and hydrogen C) carbon, oxygen, potassium, and calcium D) oxygen, calcium,...
6. How many unpaired electrons does an atom of phosphorous have in its ground state? (3) 3 (4)5 (1) 1 (2) 2 7. A possible set of quantum numbers for the last electron added to complete an atom of silicon (Si) in its ground state is m eo m, A. 4 0 +% -% В. 3 0 +1 C. 4 1 -1 +% D. 3 1 +1 -% (1) A (2) B (3) C (4) D 8. A possible set...
(1) 1 (2) 2 6. How many unpaired electrons does an atom of phosphorous have in its ground state? (3) 3 (4) 5 A possible set of quantum numbers for the last electron added to complete an atom of silicon (SI) in its ground state is A 4 0 0 +% B 3 0 +1 - C. 4 1 -1 +² D 3 1 +1 -2 (1) A (2) 8 (3)C (4) D 8. A possible set of quantum numbers...
6. How many unpaired electrons does an atom of phosphorous have in its ground stato? (3) 3 (4)5 (11 (212 7. A possible set of quantum numbers for the last electron added to complete an atom of silicon (So in its ground state is A 4 0 0 +% B 3 0 +1 - C4 1 -17% D 3 1 +1 - (1) A (2) B (3) C (4)D 8. A possible set of quantum numbers to describe an electron...
14. When are atoms most stable? A) when they have the fewest possible yale (B) when they have the ma C) when all of the electron Orbit D) when all electrons are paired e the fewest possible valence electrons they have the maximum number of unpaired electrons in all of the electron orbitals in the valence shell are filled ods with 15. Water molecules can form hydrogen bonds with Acompounds that have polar covalent bonds B) compounds that have non-polar...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
and A) Protons, electrons D) none of the above reside in the atomic nucleus.. B) Electrons, neutrons E) Neutrons, only neutrons C) Protons, neutrons compound that is composed of carbon, hydrogen and oxygen contains 70.6% C, 5.9% H. and 2357 by mass. The molecular weight of the commundis 136 am What is the molecular formula A) C,H,O, B) C,H,O | C C 0 D) | | | 0 ) C,10, 12. The molarity of a solution prepared by diluting 43.72...
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
2.1 MULTIPLE CHOICE 1) Which element has the chemical symbol, P? Al lead B) phosphorus platinum D) potassium to water is formed if 3.2 of methane reacts with 12. Me react to form carbon code and water. What of open to produce 3.3 o carbon dioxide? A1724 14.88 DJ 160 3) Which of the following two whom we stopes? 2.2 OTHER QUESTIONS (Fill in the blank, TRUE or FALSE and calculations) On and Complete the sentences in questions and using...
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