he number of valence electrons found in an atom of a group A element is equal to: its atomic number its mass number it group number eight
Question
Solution 1
The number of valence electrons found in an atom of a Group A element is equal to its group number.
Here's why:
The periodic table is divided into groups (columns) and periods (rows). Group A elements are also known as the main group elements and include groups 1, 2 and 13 to 18.
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he number of valence electrons found in an atom of a group A element is equal to: its atomic number its mass number it group number eight
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