Classification of Elements and Periodicity in Properties questions
826 published questions with worked solutions.
- For d-block elements the first ionisation potential is of the order
- Which of the following elements has the maximum first ionization potential?
- An element is in M^ 3+ form. Its electronic configuration is [Ar]3d^1, the ion is
- There are 24 electrons in Mn^+, Cr, Co^ 3+ , Fe^ 2+ , Ni^ 4+ . How many of these have d^5 configuration?
- Among the following series of transition metal ions, the one where all metal ions have 3d^2 electronic configuration is:
- The ionization potential of transition metals is .... than p-block elements.
- Which series of elements have nearly the same atomic radii?
- The number of 3d-electrons in Cu^+ ion is:
- Which shows a jump in second ionization potential?
- 'X' and 'Y' are d-block elements placed in group 12 of the modern periodic table. 'X' is in period 4 and 'Y' is in period 5. How...
- The electronic configuration of Mn^ x+ ion is [Ar]3d^4. The value of 'x' is _____.
- Which of the following is a favourable factor for cation formation?
- Which carbon is more electronegative?
- **Statement 1:** Ionisation enthalpy is always positive. **Statement 2:** Energy is always required when electrons are removed.
- Which of the following element has higher ionisation energy?
- The radii of F, F^-, O and O^ 2- are in the order of:
- Which ion is not isoelectronic with O^ 2- ?
- Which one of the following lists represents a collection of isoelectronic species?
- Ionisation energy of nitrogen is more than oxygen because:
- Maximum 1 st ionisation potential (IP_1) is of:
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