Chapter 2: 33E (page 46)
What is the distinction between atomic number and mass number? Between mass number and atomic mass?
Distinction between atomic number and mass number & between mass number and atomic mass can be stated.
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Compare and contrast the MO model with the L.E model. When is each useful?
Q.14. Which of the following explain how an ion is formed? Explain your answer.
a. adding or subtracting protons to/from an atom
b. adding or subtracting neutrons to/from an atom
c. adding or subtracting electrons to/from an atom
Q.19. A reaction of 1 L of chlorine gas (Cl2) with 5 L of fluorine gas (F2) yields 2 L of a gaseous product. All gas volumes are at the same temperature and pressure. What is the formula of the gaseous product?
Q.3. We can use the periodic table to tell us something about the stable ions formed by many atoms. For example, the atoms in column 1 always form 11 ions. The transition metals, however, can form more than one type of stable ion. What if each transition metal ion had only one possible charge? How would the naming of compounds be different?
Using the information in Table 2.2, answer the following questions. In an ion with an unknown charge, the total mass of all the electrons was determined to be , while the total mass of its protons was . What is the identity and charge of this ion? What is thesymbol and mass number of a neutral atom whose total mass of its electrons is ,while its neutrons have a mass of ?
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