Question
Download Solution PDFThe group number and period number respectively of an element with atomic number 8 are-
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFKey Points
- The element with atomic number 8 is Oxygen.
- Oxygen belongs to Group 16 and is in Period 2 of the periodic table.
- The group number indicates the number of valence electrons in the outermost shell, while the period number indicates the number of electron shells.
- In the case of oxygen, it has 6 valence electrons (hence Group 16) and 2 electron shells (hence Period 2).
Additional Information
- The periodic table is arranged in order of increasing atomic number, which represents the number of protons in an atom's nucleus.
- Elements in the same group have similar chemical properties because they have the same number of valence electrons.
- Oxygen is a non-metal and is essential for respiration in most living organisms.
- The element symbol for oxygen is O.
Last updated on Jul 2, 2025
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