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Questions and Answers
What is the periodic table?
What is the periodic table?
A table that shows the elements, their atomic number, symbol, and average atomic mass; elements with similar chemical properties are grouped together.
The columns in the periodic table are called ___________.
The columns in the periodic table are called ___________.
groups
The rows in the periodic table are called ______.
The rows in the periodic table are called ______.
periods
Where are the Alkaline metals located?
Where are the Alkaline metals located?
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Where are the Alkaline earth metals located?
Where are the Alkaline earth metals located?
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Where are the Halogens located?
Where are the Halogens located?
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Where are the Noble Gases located?
Where are the Noble Gases located?
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Noble gases are colorless and reactive gases.
Noble gases are colorless and reactive gases.
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Halogens have 7 electrons in their outer shell, and their reactivity decreases as you go down the group.
Halogens have 7 electrons in their outer shell, and their reactivity decreases as you go down the group.
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What are Alkali metals characterized by?
What are Alkali metals characterized by?
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_______ are less reactive than Group 1 since they need to lose 2 electrons to gain a full outer shell.
_______ are less reactive than Group 1 since they need to lose 2 electrons to gain a full outer shell.
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What are Transition Metals commonly used for?
What are Transition Metals commonly used for?
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Study Notes
Periodic Table Overview
- The periodic table organizes elements by atomic number, symbol, and average atomic mass.
- Elements are grouped based on similar chemical properties, facilitating understanding of their behavior.
Groups and Periods
- The columns in the periodic table are known as groups.
- The rows are referred to as periods.
Group 1: Alkali Metals
- This group consists of highly reactive soft metals.
- Alkali metals have one electron in their outer shell, contributing to their high reactivity.
Group 2: Alkaline Earth Metals
- Alkaline earth metals are located in Group 2.
- They react less vigorously than alkali metals, requiring the loss of two electrons for a full outer shell.
Group 7: Halogens
- Halogens are found in Group 7 and possess seven electrons in their outer shell.
- Reactivity among halogens decreases as one moves down the group.
Group 0: Noble Gases
- Noble gases occupy Group 0 and are characterized by being colorless and unreactive.
- Their density decreases as one moves down the group.
Transition Metals
- Transition metals are known for their use as catalysts in various chemical reactions.
Studying That Suits You
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Description
Test your knowledge of the periodic table with these flashcards! This quiz focuses on key terms and definitions related to the arrangement of elements, groups, and periods. Perfect for IGCSE Chemistry students looking to reinforce their understanding.
