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Periodicity and Properties MCQs: Questions and Answers PDF Download
Across the period the atomic size decreases due to
- shielding effect
- photoelectric effect
- increase in nuclear force of attraction
- decrease in nuclear force of attraction
Chemical properties depend upon
- electronic configuration
- valence shell electronic configuration
- atomic mass
- atomic size
The energy required to remove an electron from the outermost shell is called
- potential energy
- kinetic energy
- mechanical energy
- ionization energy
As we go from top to bottom in a group the shielding effect
- doesn't change
- decreases
- increases
- remains constant
The ability of an atom to attract electrons towards itself is called
- electron affinity
- electronegativity
- ionization energy
- shielding effect
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