Chem. Ch. 5 The Periodic Law

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Chemistry
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
What is the halogen with the least negative electron affinity?
Back
Astatine (At)
2.
FLASHCARD QUESTION
Front
What is the most distinctive property of noble gases?
Back
They are largely unreactive.
3.
FLASHCARD QUESTION
Front
How do electron affinity values change from left to right across a period on the periodic table?
Back
They tend to become more negative.
4.
FLASHCARD QUESTION
Front
How are elements arranged in the modern periodic table?
Back
By atomic number.
5.
FLASHCARD QUESTION
Front
Which two elements are more likely to have the same charge on their ions?
Back
Tin (Sn) and Silicon (Si).
6.
FLASHCARD QUESTION
Front
Define electron affinity.
Back
The energy change that occurs when an electron is added to a neutral atom.
7.
FLASHCARD QUESTION
Front
What is the periodic law?
Back
The properties of elements are periodic functions of their atomic numbers.
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