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Question
What is meant in the periodic table by a group?
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Solution
Vertical columns in a periodic table that have the same number of valence electrons and similar chemical properties are called a group.
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RELATED QUESTIONS
What are the following group known as?
Group 18
Name two elements of each group.
Name the method by which alkali metals can be extracted.
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
State the characteristics which remain similar in moving down in a group of the periodic table.
Write a short note on the following type of element –
alkaline earth metals
Write a short note on the following type of element –
halogens
State the main helpful features of the long form of the periodic table.
