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ICSE-PERIODIC PROPERTIES OF ELEMENTS -QUESTIONS FOR PRACTICE ( Fill in the blanks by using correct word/term given in the brackets and rewrite the complete sentence in your notebook.)
- Horizontal rows of periodic table are called
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Playing Now - In the periodic table, the vertical columns are called (periods/group...
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Play - The number of electrons in the outermost shell of the atom of an eleme...
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Play - Period 1 contains elements. (two/eight)
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Play - The elements in a period have valencies. (same/different).
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Play - In the modern periodic table, elements are classified according to the...
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Play - Elements in the same group have chemical properties. (similar/differe...
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Play - As we move across a period from left to right, metallic character (de...
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Play - As we move across a period from left to right, nonmetallic character (...
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Play - The atomic size of lithium is than that of sodium. (greater/smaller).
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Play - Properties of the elements mainly depend on their . (electronic config...
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Play - Fluorine is electronegative than lithium. (more/less)
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Play - Atomic size decreases in a of the periodic table as the atomic number ...
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Play - In a group, the atomic size from top to bottom. (increases / decreases...
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Play - Ionisation energy decreases in a as atomic number increases. (group/p...
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Play - Ionisation energy of sodium is than that of potassium. (more/less)
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Play - If an element of period 2 has one electron in its outermost shell, the...
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Play - The element at the bottom of a group would be expected to show metalli...
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Play - Properties of the elements are a periodic function of their . (atomic...
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Play - The ionisation potential of potassium is that of sodium. (gt//lt)
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