Learning objective
Explain that columns in the periodic table are called groups.
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At a glance
5
Flashcards
7
Questions
Topic
The periodic table
Subtopic
The periodic table
Study support
Understand this objective
Short explanation
In the modern periodic table, elements are arranged in vertical columns known as groups. Each group contains elements that share similar chemical properties due to having the same number of outer-shell electrons. For example, Group 1 elements, known as alkali metals, all have one electron in their outer shell, which influences their reactivity. Understanding that these columns are called groups helps in predicting the behavior of elements based on their position in the periodic table.
Key concepts
Why it matters
This objective helps connect The periodic table to exam-style questions, flashcards, and revision notes for The periodic table.
Common mistakes
1 linked- Misunderstanding Groups: Remember that groups are the vertical columns in the periodic table, while periods are the horizontal rows. Focus on the vertical arrangement when discussing groups.
Revision tools
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Flashcards5 linked cards
Flashcard 1 of 5
Practice Questions7 linked questions
Question 1 of 7
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe how elements are arranged in order of atomic number in the modern periodic table.
The periodic table
- Explain that elements in the same group have the same number of outer-shell electrons.
The periodic table
- Explain how outer-shell electrons give elements in the same group similar chemical properties.
The periodic table
- Explain how the position of an element in the periodic table relates to electron arrangement and atomic number.
The periodic table
- Predict possible reactions and likely reactivity from an element's position in the periodic table.
The periodic table