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In the modern periodic table, the block indicates the value of `………………` for the last subshell that received electrons in building up the electronic configuration. Fill in the blank with appropriate optionA. Atomic numberB. Aximuthal quantum numberC. Principal quantum numberD. Atomic mass |
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Answer» Correct Answer - 2 The block indicates value of azimuthal quantum number `(l)` for the last sub`-` shell that received electrons in building up the electronic configuration. For examples group 1 and group 2 elements belong to `s-` block as last electron enters in `s-` subshell. |
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