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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-SHORT-TYPE QUESTIONS
- Write the group number of s,p and d-block elements in periodic table.
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- Arrange the element with atomic number 12,17,19,23 and 25 into s,p and...
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- "The properties of an element depend on the electronic configuration o...
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- Justify the position of zero group in Mendeleev's periodic table.
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- (a) "Atomic number of two elements ar 9 and 17 respectively. Both elem...
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- How can the groups, valencies and the positions of transition elements...
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- Indicate the position of the element with electronic configuration (n-...
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- Discuss characteristics of d-block elements.
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- O^(2-) and F^(-) are isoelectronic. Justify whether the atomic radii o...
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- Write the electronic configuration of the following- (a) inert gas (b)...
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- Write the name and atomic number of each of the following (a) third al...
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- The decrease in atomic size of the transition elements is comparativel...
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- What is screening effect? What is the order of screening effect of the...
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- How is atomic or ionic radius of an element related to the quantity (z...
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- How do the metallic and non-metallic characters vary along the group a...
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- Mention the factors on which the ionisation potential depends.
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- Which out of magnesium and aluminium has greater ionisation potential ...
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- Give the definition of electron affinity and electronegativity. Write ...
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- Electron affinity of inert elements are positive-why?
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- B(2)O(3) is acidic in nature but BeO is amphoteric-why?
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