Podcast
Questions and Answers
What are the vertical columns of elements in the periodic table called?
What are the vertical columns of elements in the periodic table called?
Oxygen (O) has 4 valence electrons according to its position in the periodic table.
Oxygen (O) has 4 valence electrons according to its position in the periodic table.
False
How many outer energy levels do electrons occupy in an atom of sodium (Na)?
How many outer energy levels do electrons occupy in an atom of sodium (Na)?
3
The element ___ is classified as a metalloid.
The element ___ is classified as a metalloid.
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Which element has 2 valence electrons in the second energy level?
Which element has 2 valence electrons in the second energy level?
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Match the following elements with their classifications:
Match the following elements with their classifications:
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Potassium (K) is classified as a nonmetal.
Potassium (K) is classified as a nonmetal.
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Study Notes
Periodic Table
- Vertical columns are called groups
- Horizontal rows are called periods
- Oxygen (O) has 6 valence electrons
- Sodium (Na) outer energy level is 3
- Beryllium (Be) has 2 valence electrons in the second energy level
- Potassium (K) is a metal
- Fluorine (F) is a nonmetal
- Arsenic (As) is a metalloid
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Description
Test your knowledge about the periodic table with this quiz. Explore concepts such as groups and periods, and learn about the properties of various elements including metals, nonmetals, and metalloids.
