The increasing order (lowest first) for the values of e/m (charge/mass) for
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or a given principal level n = 4, the energy of its subshells is in the order
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Which of the following statements in relation to the hydrogen atom is correct?
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Which of the following element has least number of electrons in its M-shell?
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A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at
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Which of the following statements does not form a part of Bohrs model of hydrogen atom?
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The electronic configuration for oxygen is written as 1s2 2s2 2p4. Which rule will this configuration be violating?
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If an atom has four unpaired electrons. What is likely to be the total spin of the electron?
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What is the sequence to label the subshells in an atom?
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The United Nations World Food Programme (WFP) in India has partnered with The Akshaya Patra Foundation to enhance the effectiveness of the Pradhan Mantri Poshan Shakti Nirman (PM-POSHAN) scheme, which was earlier known as the Mid-Day Meal Scheme. The agreement in this regard was signed on January ...
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