Practice Period Characteristics (4) - Unit 3: Periodicity

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9 questions

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6 sample questions

Question 1.
What element fills the 2s orbital in Period 2?
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Think of the first group in Period 2.
Question 2.
Which way does the atomic radius change across a period?
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Consider the strength of the nuclear pull on electrons.
3Question 3.
What happens to atomic size as effective nuclear charge increases from left to right across a period?
- Increases
- Decreases
- Stays the same
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Think about the force exerted by the nucleus on valence electrons.
4Question 4.
True or False: Nonmetals become less reactive as you move across a period.
- True
- False
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Consider the behavior of halogens.
Question 5.
Discuss how the trends of atomic radius and ionization energy can be visualized on the periodic table, providing an example from Period 3.
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Examine the change in nuclear charge throughout the period.
Question 6.
Analyse how diagonal relationships can predict similar chemical properties, using specific examples from the periodic table.
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Consider covalent bonding and chemical reactions.

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