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Exam (elaborations)
Chem 103 Exam 1 Review UW Madison Study Questions with Correct Answers Graded A+ 2026
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---74April 20262025/2026A+
- What is an acid? -Correct Answer -solution has an excess of H+ ions 
 
What is a base? -Correct Answer -solution has an excess of hydroxyl ions (OH-) 
 
What is neutralization? -Correct Answer --process where acid and base are mixed until they become neutral and the PH is 7. 
 
What are the two products of a neutralization chemical reaction? -Correct Answer -water and salt ( The type of salt depends on acid or base added to neutralize.) 
 
What is a weak acid? -Correct Answer -an acid that only ...
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Exam (elaborations)
Chem 103 Exam 2 Questions with Correct Answers 2026
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---9April 20262025/2026A+
- The property that describes the ease with which an atom gives up an electron to form a positive ion is 
a. electron affinity 
b. atomic number 
c. electronegativity 
d. ionization energy 
e. none of the above -Correct Answer -d. ionization energy 
 
Predict the charge that an aluminum ion would have 
a. 5- 
b. 2+ 
c. 1- 
d. 3+ 
e. 1+ -Correct Answer -d. 3+ 
 
The oxidation number of Sulfur in Calcium sulfate, CaSO4, is 
a. +2 
b. +4 
c. 0 
d. +6 
e. -2 -Correct Answer -d. +6 
 
Which of the fol...
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Exam (elaborations)
Chem 103 Midterm 1 Exam Questions and Answers UW Madison 2026 Update
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---6April 20262025/2026A+
- Monatomic -Correct Answer -Lost or gained e- 
 
Atomic # -Correct Answer -Protons (electrons if stable) 
 
Atomic mass -Correct Answer -Protons and neutrons 
 
Alaki metals -Correct Answer -Group 1A, column (+1 charge) 
 
Alkaline earth metals -Correct Answer -Group 2A, column (+2 charge) 
 
Halogens -Correct Answer -Group 7A, column (-2 charge) 
 
Nobel gases -Correct Answer -Group 8A, column, (-1 charge) 
 
Upper right of periodic table gains... -Correct Answer -electronegativity and ionizatio...
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Exam (elaborations)
CHEM 103 FINAL EXAM QUESTIONS WITH ANSWERS 2026 GRADED A+
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---22April 20262025/2026A+
- Lewis Structures -Correct Answer -represents the transfer or the sharing of electrons in chemical bonds 
 
octet rule -Correct Answer -EVERY ATOM WANTS 8 ELECTRONS IN THEIR OUTERSHELL 
 
ionic bonding -Correct Answer -chemical bond formed through the transfer of one or more electrons from one atom or group of atoms to another group 
 
EX : NaBr 
 
metals -Correct Answer -give 
 
nonmetals -Correct Answer -take 
 
oxidation number -Correct Answer -the superscript indicating the charge on an ion ...
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Exam (elaborations)
Chem 103 Exam 1 Questions and Answers 2026
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---11April 20262025/2026A+
- What is chemistry? -Correct Answer -Chemistry is the study of the physical and compositional changes of matter. 
 
 Chemistry is called the Central Science. 
 
 Many health-related areas of study are based on Chemistry. 
 
Matter -Correct Answer -Matter is anything that has mass, occupies space and is made-up of atoms or parts of atoms. 
 
Mass -Correct Answer --Mass is a measure of the amount of matter in an object. 
-Mass is independent of the location of an object. 
-An object on the earth ha...
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Lecture notes
Vectors
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---2April 20262025/2026
- Vectors, vector components, addition and subtraction of vectors, scalar multiplication, length, properties of vectors, standard basis vectors, unit vectors, examples of all.
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