How many valence - Study guides, Class notes & Summaries
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BIOL 1201: Exam 1 Questions and Answers Graded A+
- Exam (elaborations) • 37 pages • 2024
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BIOL 1201: Exam 1 Questions and 
 
Answers Graded A+ 
 
A substance that cannot be broken down into other substances by ordinary chemical procedures 
is a(n) _____. element 
 
Organisms are largely composed of __ elements. 11 
 
About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 
elements make up approximately 96% of living matter? carbon, hydrogen, nitrogen, and 
oxygen 
 
What determines solubility? "like dissolves like" 
 
Atom Smallest unit of mat...
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ULTIMATE AP Biology Exam Review questions with correct answers
- Exam (elaborations) • 17 pages • 2023
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Define the following: isotope, valence shell, covalent bond, ionic bond CORRECT ANSWER Isotope- one of several atomic forms of an element, each with the same # of protons, but different number of neutrons 
 
Valence shell- the outermost energy shell of an atom, containing valence electrons involved in chemical reactions 
 
Covalent bond- bond where the electrons are shared 
 
Ionic bonds- a chemical bond resulting from the attractions between oppositely charged ions 
 
Hydrogen bonds result in.....
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Life 102 Exam 1 CSU Arthun Questions and Answers Already Passed
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Life 102 Exam 1 CSU Arthun Questions 
 
and Answers Already Passed 
 
At what organizational level is life's uniformity most evident? Most evident in cells 
 
At what organizational level is life diversity most evident? Most evident in organisms 
 
How do Atoms fill their Valence shell? Donate or accept electrons from another atom or two 
atoms can share an electron pair creating a covalent bond. 
 
What happens when an atom gains or loses an electron? It becomes ionic 
 
96% of living mater is...
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Test Bank For Organic Chemistry 9th Edition By John E. Mcmurry All Chapters 1-31 | Complete 2024/2025 | Verified.
- Exam (elaborations) • 570 pages • 2024
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Test Bank For Organic Chemistry 9th Edition By John E. Mcmurry All Chapters 1-31 | Complete 2024/2025 | Verified. Chapter 01 - Structure and Bonding 
1. Give the ground-state electron configuration for carbon (atomic number 6). 
ANSWER: 1s 
2 
2s 
2 
2px 
1 
2py 
1 
or 1s 
2 
2s 
2 
2p 
2 
POINTS: 1 
2. Give the ground-state electron configuration for fluorine (atomic number 9). 
ANSWER: 1s 
2 
2s 
2 
2px 
2 
2py 
2 
2pz 
1 
or 1s 
2 
2s 
2 
2p 
5 
POINTS: 1 
3. Give the ground-state electron co...
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BIOL 1201: Exam 1 Questions With 100% Correct Answers
- Exam (elaborations) • 17 pages • 2024
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BIOL 1201: Exam 1 Questions With 100% 
Correct Answers 
A substance that cannot be broken down into other substances by ordinary chemical procedures 
is a(n) _____. - answerelement 
Organisms are largely composed of __ elements. - answer11 
About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 
elements make up approximately 96% of living matter? - answercarbon, hydrogen, nitrogen, 
and oxygen 
What determines solubility? - answer"like dissolves like" 
A...
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Test Bank For Organic Chemistry 9th Edition By John E. Mcmurry All Chapters 1-31 | Complete 2024/2025 | Verified.
- Exam (elaborations) • 570 pages • 2024
- Available in package deal
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- $33.49
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Test Bank For Organic Chemistry 9th Edition By John E. Mcmurry All Chapters 1-31 | Complete 2024/2025 | Verified. Chapter 01 - Structure and Bonding 
1. Give the ground-state electron configuration for carbon (atomic number 6). 
ANSWER: 1s 
2 
2s 
2 
2px 
1 
2py 
1 
or 1s 
2 
2s 
2 
2p 
2 
POINTS: 1 
2. Give the ground-state electron configuration for fluorine (atomic number 9). 
ANSWER: 1s 
2 
2s 
2 
2px 
2 
2py 
2 
2pz 
1 
or 1s 
2 
2s 
2 
2p 
5 
POINTS: 1 
3. Give the ground-state electron co...
-
BIOL 1201: Exam 1 Questions With 100% Correct Answers
- Exam (elaborations) • 17 pages • 2024
- Available in package deal
-
- $12.49
- + learn more
BIOL 1201: Exam 1 Questions With 100% 
Correct Answers 
A substance that cannot be broken down into other substances by ordinary chemical procedures 
is a(n) _____. - answerelement 
Organisms are largely composed of __ elements. - answer11 
About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 
elements make up approximately 96% of living matter? - answercarbon, hydrogen, nitrogen, 
and oxygen 
What determines solubility? - answer"like dissolves like" 
A...
-
ULTIMATE AP Biology Exam Review Questions and Answers Graded A+
- Exam (elaborations) • 10 pages • 2024
-
- $10.39
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ULTIMATE AP Biology Exam Review Questions and Answers Graded A+ 
Define the following: isotope, valence shell, covalent bond, ionic bond 
Isotope- one of several atomic forms of an element, each with the same # of protons, but different number of neutrons 
 
Valence shell- the outermost energy shell of an atom, containing valence electrons involved in chemical reactions 
 
Covalent bond- bond where the electrons are shared 
 
Ionic bonds- a chemical bond resulting from the attractions between op...
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TEAS ATI 7 Exam Questions and Answers 100% Pass
- Exam (elaborations) • 18 pages • 2024
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TEAS ATI 7 Exam Questions and 
Answers 100% Pass 
How many valence electrons does an atom have if the atom has an atomic number of 
10? -Answer-8 valence e- because it ends with 2s2 2p6 
How many valence electrons will an atom have if the atom is located in Group VIA of 
the periodic table? -Answer-VI=6 
An atom located in which of the following groups on the periodic table of elements will 
most likely gain electrons from another atom in a chemical reaction? -Answer-The 
higher the valence elec...
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Clinical Exam Questions & Answers 2024
- Exam (elaborations) • 16 pages • 2024
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Clinical Exam Questions & Answers 2024 
 
 
What class of drugs reduces LDL levels by inhibiting the synthesis of cholesterol? - ANSWER-HMG CoA reductase inhibitors 
 
How many mEq of sodium are in a 2 gm sodium diet? - ANSWER-87 
 
mEq = mg/atomic wt x valence 
Na: atomic wt = 23, valence = 1 
2000 mg/23 x 1 = 87 mEq 
 
In the regimen of hypertension management, reducing intake of dietary sodium: - ANSWER-has some value for some patients 
 
Foods that have the highest amount of omega-3 fats: - ...
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