What is the valence of ne - Study guides, Class notes & Summaries
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General Chemistry ACS Final Exam 89 Questions with Verified Answers,100% CORRECT
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General Chemistry ACS Final Exam 89 Questions with Verified Answers 
 
Protons - CORRECT ANSWER defines the element; positive charge; equal to the atomic number 
 
Neutrons - CORRECT ANSWER equal to mass number-number of protons; neutral charge 
 
Electrons - CORRECT ANSWER negative charge; dependent on the charge of the atom 
 
Cations - CORRECT ANSWER Positively charged ions 
 
Anions - CORRECT ANSWER Negatively charged ions 
 
Isotopes - CORRECT ANSWER when the number of neutrons varies but i...
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FE Electrical Exam Questions With Answers Latest Updated 2024/2025 (100% Correct)
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Define Enthalpy Correct Answer: total energy of a system 
Which of the following is true of the electric field intensity about an isolated point charge? 
A. It varies directly as the distance to the charge. 
B. It varies inversely as the distance to the charge. 
C. It varies directly as the square of the distance to the charge. 
D. It varies inversely as the square of the distance to the charge. Correct Answer: D. It varies 
inversely as the square of the distance to the charge. 
As a profession...
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Test Bank For Chemistry in Focus A Molecular View of Our World 6th Edition by Nivaldo J. Tro
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Chapter 03 - Atoms and Elements 
1. The most abundant element in the earth's crust by mass is: 
a. Hydrogen 
b. Carbon 
c. Oxygen 
d. Silicon 
e. Nitrogen 
ANSWER: POINTS: 
2. Which of these statements about atoms is incorrect? 
a. Atoms are the smallest visible amount of an element. 
b. Atoms are composed of protons, neutrons, and electrons. 
c. Atoms are the building blocks of all matter. 
d. Atoms are the smallest identifiable unit of an element. 
e. There are 91 different naturally occurrin...
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General Chemistry ACS Final Exam (2024) All Correct.
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Protons correct answers defines the element; positive charge; equal to the atomic number 
 
Neutrons correct answers equal to mass number-number of protons; neutral charge 
 
Electrons correct answers negative charge; dependent on the charge of the atom 
 
Cations correct answers Positively charged ions 
 
Anions correct answers Negatively charged ions 
 
Isotopes correct answers when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` 
 
What was believed un...
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CEM 141 MSU Exam 2 Questions And Answers Rated A+ New Update Assured Satisfaction
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Which reaction requires the most energy? 
A. N(g) → N+(g) + e - 
B. N+(g) → N2+(g) + e - 
C. F(g) → F+(g) + e - 
D. F+(g) → F2+(g) + e - - Answer-D. F+(g) → F2+(g) + e - 
Fluorine has a higher effective nuclear charge than Nitrogen - so it is harder to remove an electron (takes 
more energy because the electron is more strongly attracted by the nucleus). Effective nuclear charge is 
the same for F and F+ because the number of protons and core electrons are not changed. However, 
when t...
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APEX + NBCRNA REVIEW || Already Graded A+.
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Describe the architecture of an atom correct answers -The atom is the basic building block that makes up all matter 
 
-Protons (+) charge 
-Neutrons (neutral) charge 
-Electrons (-) charge 
 
-Protons and neutrons are in the center of the atom (nucleus), electrons orbit the nucleus in the electron cloud 
 
What is resting membrane potential in ventricular myocytes? Threshold potential? correct answers RMP: -90 mV 
TP: -70 mV 
 
How do you know if an atom carries a charge? 
 
What is a charged ...
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CHEM2 Chemistry in Your World 2nd Edition by Hogg - Test Bank
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Chapter 1—Living in a World of Chemistry 
 MULTIPLE CHOICE 
1. Which activity comes first in the scientific method? a. conclusion 
b. hypothesis 
c. experimentation d. observation 
ANS: D 
2. Which is considered a physical science? a. physics 
b. biology c. zoology d. botany 
ANS: A 
3. A scientist is trying to make a new insecticide that will be more toxic to flies, but less toxic to humans than insecticides now available. The scientist is engaged in 
a. basic research. 
b. applied research. ...
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Test Bank For Organic Chemistry 10th Edition by Francis Carey A+
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Test Bank For Organic Chemistry 10th Edition by Francis Carey 
What is the ground state electron configuration of carbon? A. 1s22s22px1 B. 1s22s22px2 C. 1s22s22px12py1 D. 1s22s22px22py1 2. Which of the following has (have) the same electron configuration as Ne? Na- Mg2+ O2- Mg+ A. Na-andO2- B. Mg2+ and O2- C. Mg+ and O2- D. only Mg2+ Accessibility: Keyboard Navigation Bloom's Level: 3. Apply Chapter: 01 Difficulty: Medium Gradable: automatic Section: 01.01 Subtopic: Periodic table trends Topic:...
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General Chemistry ACS Study Guide (A+ Graded) 2024.
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Isotopes correct answers when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` 
 
What was believed until the beginning of the 20th century? correct answers That all physical phenomena were deterministic 
 
Light correct answers Form of electromagnetic radiation 
 
What is electromagnetic radiation composed of? correct answers perpendicular oscillating waves, one for the magnetic field and one for the electric field 
 
Quantum number n correct answers size...
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Intro to Chemistry AAMI Final Study Guide| 330 questions| with complete solutions
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NORMAL HUMAN BODY TEMPERATURE ON THE CELSIUS SCALE IS _______ DEGREES. correct answer: 37 
 
WHAT IS THE VALENCE OF Ne? correct answer: 0 
 
CUPRIC'S VALENCE IS correct answer: +2 
 
THE CHEMICAL SYMBOL FOR MERCURY IS correct answer: Hg 
 
THE STANDARD UNIT OF HEAT IS THE _______? correct answer: CALORIE 
 
WHICH POLYATOMIC ION IS REPRESENTED BY THE SYMBOL (NH4)+1 ? correct answer: AMMONIUM 
 
WHAT DOES THE PREFIX "CENTI-" REPRESENT? correct answer: 1/100 
 
WHICH OF THE FOLLOWING IS T...
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