Physics-
General
Easy
Question
Assertion :Atomic number of the element ununbium is 112.
Reason : Name for digits 1 and 2 is un-and bi-respectively in latin words.
- If both assertion and reason are true and the reason is the correct explanation of the assertion.
- If both assertion and reason are true but reason is not the correct explanation of the assertion.
- If assertion is true but reason is false.
- If the assertion and reason both are false.
The correct answer is: If both assertion and reason are true and the reason is the correct explanation of the assertion.
Both assertion and reason are true and reason is the correct explanation of assertion.
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Assertion :The first ionisation energy of Be is greater than boron [AIIMS 2002]
Reason : 2p orbitals have lower energy than 2s orbitals.
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Assertion :Noble gases have maximum electron affinity.
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Assertion :Noble gases have maximum electron affinity.
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Assertion : The atomic radii of calcium is smaller than sodium.
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In which block 106th element belongs
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Which of the following have high electron affinity
Which of the following have high electron affinity
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Ionic radii of
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Which element having following electronic configurations has minimum ionization potential
Which element having following electronic configurations has minimum ionization potential
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A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configuration
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Which is the correct order of ionic sizes (At. No. : Ce = 58, Sn = 50, Yb = 70 and Lu = 71)
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Chemistry-General
