Practice Modern Periodic Law And The Present Form Of The Periodic Table (3.3)

Practice: Modern Periodic Law and the Present Form of the Periodic Table

Lesson 3.3Classification of Elements and Periodicity in Properties

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8 questions

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6 sample questions

Question 1.
What does modern periodic law state?
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Look for keywords related to atomic numbers.
Question 2.
List the four blocks of the periodic table.
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Think about the outer shell electron configurations.
3Question 3.
Which statement best describes the modern periodic law?
- Properties are based on atomic weight.
- Properties are periodic functions of atomic numbers.
- Properties are random among elements.
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Focus on the relationship between properties and atomic numbers.
4Question 4.
True or False: All elements in a group have the same number of protons.
- True
- False
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Consider the definition of groups in the periodic table.
Question 5.
Analyze the periodic trends in ionization energy for elements across periods 2 and 3. How do the values support the periodic law?
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Look at the specific values in the periodic table for comparison.
Question 6.
Predict the chemical behavior of an element in group 14 and explain your reasoning.
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Consider the usual valence and how it interacts when combining with other elements.

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