Chem 103 Midterm Exam with Correct Answers

Chem 103 Midterm Exam with Correct Answers

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Practice questions for this set


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Interference of light



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1 Element 2 Diffraction



3 Oxyacid 4 What does A mean in an isotope?



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Terms in this set (93)


Element A pure substance made of only one kind of atom

Compound Substance formed from many atoms bonded together

, A combination of two or more substances that are not
Mixture
chemically combined

Substance matter with a composition that is always the same

What does A mean in an Number of Protons and Neutrons
isotope?

What does Z mean in an Number of Protons
isotope?

What does X mean in an Symbol for the element
isotope?

ionic compound Cation + Anion / Metal + nonMetal

an ion made of two or more atoms joined by covalent
polyatomic ion
bonds

Binary Compounds Compounds composed of nonmetal + nonmetal

compounds that form hydrogen ions when dissolved
Acids in water (FORMULA CONTAINS AT LEAST ONE H+
ION)

Binary acid naming hydro___ic acid

contains hydrogen, oxygen, and a third nonmetal
Oxyacid
element

Anion:
1. hypo__ite
Oxyacid naming rules
2. ___ite
(Anions)
3. ___ate
4. per___ate

Acid:
1. hypo___ous acid
Oxyacid naming rules
2. ___ous acid
(acids)
3. ___ic acid
4. per___ic acid

Oxidation state Number of electrons an atom uses to form bonds