Polyatomic groups - Study guides, Class notes & Summaries
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CHEM 1020 FINAL EXAM QUESTIONS| WITH COMPLETE SOLUTIONS
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CHEM 1020 FINAL EXAM QUESTIONS| WITH 
COMPLETE SOLUTIONS 
what is a major difference between organic and inorganic compounds? - -organic 
contain carbon 
what is the reason why there are so many organic compounds? - -carbon atoms can 
form stable covalent bonds with other carbon atoms 
the vast number of organic compounds is due to the unique chemistry of carbon. this 
chemistry involves - -formation of long chains& isomerism 
Which applies to the manner in which carbon bonds in alkanes? - -the ...
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APOLOGIA CHEMISTRY MODULE 5, 3RD EDITION EXAM | WITH CORRECT ANSWERS | ALREADY GRADED A+
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How many oxygen atoms are in an Al2 (CO3)3 molecule? 
A. 3 
B. 6 
C. 9 
D. 12 
 C. 9 
Polyatomic ions are often said to be a cross between covalent compounds and ionic 
compounds. Why can they be characterized in such a way? 
 Because Polyatomic ions have groups of atoms that share electrons like covalent 
compounds but they have extra electrons that are similar to ionic compounds. 
In VESPR theory, which repels other electron groups more strongly: 
A. A bond 
B. A nonbonding electron pai...
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ABCTE- Basic Chemistry Part 2 questions and answers 2024-2025
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ABCTE- Basic Chemistry Part 2What is a chemical reaction - correct answer a chemical reaction? 
 
Some indications of a chemical reaction include what - correct answer a change in temperature, such as in fire, a color change that indicates the presence of a different substance, and the generation of electrical current by a battery. 
 
Chemical reactions are written using what - correct answer shorthand similar to a mathematical equation. 
reactant A + reactant B product C + product D 
 
Unli...
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Part 1 of 4 - 28.0/ 40.0 Points Question 1 of 25 0.0/ 4.0 Points `Use Lewis theory to draw the structure of the sulfate polyatomic ion. What would you find surrounding the central atom of this ion? • A. two bonding and two unshared pairs of electrons. • B
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Part 1 of 4 - 28.0/ 40.0 Points 
Question 1 of 25 
0.0/ 4.0 Points 
`Use Lewis theory to draw the structure of the sulfate polyatomic ion. What would you find 
surrounding the central atom of this ion? 
• 
A. two bonding and two unshared pairs of electrons. 
• 
B. three bonding and one unshared pair of electrons. 
• 
C. two double bonds and no unshared pairs of electrons. 
• 
D. one bonding and three unshared pairs of electrons. 
• 
E. none of the above. 
Feedback: Lewis structures are...
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CHEM 120 Final Exam Review 2024/25 EDITION ALL CORRECT RATED GRADE A+
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significant figures 
a digit that is either reliably known or closely estimated 
Significant Figure Rules 
1. All non-zero digits are always significant 
2. Zeroes between non-zero digits are always significant 
3. Zeroes to left of first non-zero digit (either before or after decimal point) are never significant 
4. Zeroes to the right of last non-zero digit 
a. after decimal point are always significant 
b. which are before decimal point are not significant 
conversion factor 
relationship...
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CHEM 104 EXAM #2|Questions with 100% Correct Answers
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CHEM 104 EXAM #2|Questions with 100% Correct Answers 
Periods are 
horizontal rows(1-7) 
groups are 
vertical columns (1A-8A) 
Metals are 
70%, shiny, ductile, heat, electricity 
Non-metals are 
dull, brittle, good insulators 
metalloids are 
better conductors than non-metals, not as good as metals 
3B-12B is 
transition metals 
1A-8A is 
representative elements 
Alternative System 
1-18 
1A 
alkali metals 
2A 
Alkaline Earth Metals 
3A-6A 
no common names 
7A 
Halogens -1 
8A 
Noble Gases 
P+ 
...
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CHEM133 Week 11 Lesson 5 Quiz
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1.	Question: When comparing Be2 and H2: 
2.	Question: Atoms that are sp2 hybridized form ____ pi bond(s). 
3.	Question: The hybridization of the nitrogen atom in the cation NH2+ is: 
4.	Question: Which one of the following molecules has an atom with an incomplete octet? 
5.	Question: Nitrous oxide (N2O) is sometimes called "laughing gas". What is the formal charge on the central nitrogen atom in the most favorable Lewis structure for nitrous oxide based on minimizing formal charge overall? 
6....
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CHEM133 Week 11 Lesson 5 Quiz
- Exam (elaborations) • 17 pages • 2023
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1.	Question: When comparing Be2 and H2: 
2.	Question: Atoms that are sp2 hybridized form ____ pi bond(s). 
3.	Question: The hybridization of the nitrogen atom in the cation NH2+ is: 
4.	Question: Which one of the following molecules has an atom with an incomplete octet? 
5.	Question: Nitrous oxide (N2O) is sometimes called "laughing gas". What is the formal charge on the central nitrogen atom in the most favorable Lewis structure for nitrous oxide based on minimizing formal charge overall? 
6....
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CHEM 1020 Practice Test Questions with Correct Answers
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CHEM 1020 Practice Test Questions with Correct Answers 
what is a major difference between organic and inorganic compounds? - ANSWER organic contain carbon 
 
what is the reason why there are so many organic compounds? - ANSWER carbon atoms can form stable covalent bonds with other carbon atoms 
 
the vast number of organic compounds is due to the unique chemistry of carbon. this chemistry involves - ANSWER formation of long chains& isomerism 
 
Which applies to the m...
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Matter and Qualitative Analysis - SCH4C Certifications Exam Practice Questions And 100% Verified Answers.
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matter - correct answer takes up space and weighs something, has volume and mass, and thus density 
 
density - correct answer g/mL 
 
mixtures - correct answer two or more compounds mixed together 
 
compounds - correct answer groups of identical molecules 
 
3 types of mixtures - correct answer ...
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