Which of the following evidence most strongly supports the common origin of all life on Earth? All organisms ________.

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#Question id: 20200

#XL - P Chemistry

The energy of second Bohr orbit of the hydrogen atom is –328 kJ mol^–1, hence the energy of fourth Bohr orbit would be

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#Question id: 20201

#XL - P Chemistry

Which of the following statements in relation to the hydrogen atom is correct?

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#Question id: 20202

#XL - P Chemistry

The correct order of number of unpaired electrons in the ions Cu2+, Ni2+, Fe3+ and Cr3+ is

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#Question id: 20203

#XL - P Chemistry

The most probable radius (in pm) for finding the electron in He⁺ is

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#Question id: 20204

#XL - P Chemistry

Ground state electronic configuration of nitrogen atom can be represented by

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#Question id: 20205

#XL - P Chemistry

The orbital diagram in which Aufbau principle is violated is