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?
- Groups (correct)
- Notation
- Periods
- Names
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 (B)
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.
Which element has 2 valence electrons in the second energy level?
Which element has 2 valence electrons in the second energy level?
Match the following elements with their classifications:
Match the following elements with their classifications:
Potassium (K) is classified as a nonmetal.
Potassium (K) is classified as a nonmetal.
Flashcards
Periodic Table Columns
Periodic Table Columns
Vertical columns of elements in the periodic table.
Periodic Table Rows
Periodic Table Rows
Horizontal rows of elements in the periodic table.
Oxygen Valence Electrons
Oxygen Valence Electrons
Oxygen has 6 valence electrons.
Sodium Outer Energy Level
Sodium Outer Energy Level
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Magnesium Valence Electrons
Magnesium Valence Electrons
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Metal Elements
Metal Elements
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Metalloid Elements
Metalloid Elements
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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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