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Questions
Write the name and symbol of the element from the description.
The atom having the smallest size.
Write the name of the atom having the smallest size.
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Solution
Helium (He)
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Which is greater in size Fe2+ or Fe3+?
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The size of the anion is greater than the size of the parent atom.
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| Atomic radius (pm) | 231 | 186 | 244 | 262 | 151 |
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Which of the following gives the correct increasing order of the atomic radii of O, F, and N?
An element X (atomic number 17) reacts with an element Y (atomic number 20) to form a divalent halide.
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On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9.
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An element with the largest atomic radius among the following is ______.
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Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (decreasing order of atomic size)
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In Period 3 of the Periodic Table, element B is placed to the left of element A. On the basis of this information, choose the correct word from the option to complete the following statement:
The element A would have ______ atomic size than B.
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The size of a Cl− ion is greater than the size of a Cl atom.
