Explain 1.valency
2.diagnoal relationship
3 variation of nature of oxides with respect to group 1
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Explanation:
- A Diagonal Relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods of the periodic table. ... On crossing a period of the periodic table, the size of the atoms decreases, and on descending a group the size of the atoms increases.
- Valency is the number of electrons that an atom either loses or gains to achieve noble gas configuration. Example- atomic number of Chlorine is 17 and it's electron configuration is 2,8,7 and it needs one electron to complete it's octet in outermost shell hence it's valency is 1.
- An oxide that combines with water to give an acid is termed as an acidic oxide.
- The oxide that gives a base in water is known as a basic oxide.
- An amphoteric solution is a substance that can chemically react as either acid or base.
- However, it is also possible for an oxide to be neither acidic nor basic, but is a neutral oxide.
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