Classification of Elements and Periodicity in Properties questions
826 published questions with worked solutions.
- Compared with the alkaline earth metals, the alkali metals exhibit
- Number of s-electrons in Na^- is _____
- Number of elements in second period showing diagonal relationship is _____
- Sodium reacts with water less vigorously than potassium because:
- Which property increases in magnitude as the atomic number of alkali metals increases?
- The chemistry of lithium is very much similar to that of magnesium even though they are placed in different groups. The reason is:
- Elements of group 1 and group VI in the periodic table have one thing common. That is with the increasing atomic number, the:
- Which group of elements lose electrons more readily?
- The outermost electron is most loosely held in:
- The chloride ion is isoelectronic with potassium. The size of chloride ion is:
- Sodium forms Na^+ and not Na^ 2+ because:
- Which ion has closed shell electronic configuration?
- Magnesium has polarizing power closer to that of:
- Ra is placed at the bottom of alkaline earth metals. The element should:
- Metals belonging to the same group in the periodic table are:
- Which gives the least basic oxide?
- Which has the maximum electropositive character?
- The electronic configuration of barium is [Xe]xs^2. What is the value of 'x'?
- What is the difference between the number of p-electrons and d-electrons in _ 38 Sr?
- What is the atomic number of the element placed in period 3 and group 2 of the modern periodic table?
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