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Questions and Answers
Which of the following is a characteristic of periodic trends?
Which of the following is a characteristic of periodic trends?
- They are random variations in the properties of elements
- They only apply to metals
- They are predictable patterns in the properties of elements (correct)
- They are caused by radioactive decay
What is the main factor that determines periodic trends?
What is the main factor that determines periodic trends?
- Atomic mass
- Number of protons
- Electron configuration (correct)
- Atomic number
Which of the following is an example of a periodic trend?
Which of the following is an example of a periodic trend?
- Ionization energy decreases as you move across a period
- Atomic radius increases as you move down a group
- Electronegativity increases as you move across a period
- All of the above (correct)
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Study Notes
Periodic Trends Characteristics
- A characteristic of periodic trends is a gradual change in properties of elements as you move across a period or down a group in the periodic table.
Factors Determining Periodic Trends
- The main factor that determines periodic trends is the electron configuration of the atoms, which changes in a predictable way across a period or down a group.
Examples of Periodic Trends
- An example of a periodic trend is the increase in atomic radius as you move down a group in the periodic table.
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