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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The isotopes of a neutral atom of an element differ in which of these?
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What happens to the atomic number during a chemical reaction?
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Who proposed the atomic theory?
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The maximum mass of an atom is concentrated in which of these?
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