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प्रश्न
Fill in the blanks from the words A to F given below’.
A: Decreases
B: Increases
C: Remains same
D: Increases by one
E: Electropositive
F: Electronegative
Across a period from left to right in the Modern Periodic Table.
No. of electron shells _________; No. of valence electrons __________: Electronegativity increases Character of elements changes from electropositive to ________.
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उत्तर
Across a period from left to right in the Modern Periodic Table.
No. of electron shells remains same; No. of valence electrons increases by one; Electronegativity increases Character of elements changes from electropositive to electronegative.
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संबंधित प्रश्न
Name any two elements of group one and write their electronic configurations. What similarity do you observe in their electronic configurations? Write the formula of oxide of any of the aforesaid elements.
Name the element which is in first group and third period.
How do atomic structures (electron arrangements) change in a period with increase in atomic numbers from left to right?
How does Nature of oxides of elements change on going from left to right in a period of the periodic table?
Give examples in support of your answer.
State the number of elements in periods 1, Periods 2, and Period 3 of the periodic table. Name them.
Select the correct answer
Most reactive character among the elements given below is found in
Atomic numbers of elements A, B, C, D, E, F are 8, 7, 11, 12, 13 and 9 respectively. State the type of ions they form.
State the nature of compounds formed when group 17 elements combine with (i) metals (ii) non-metals.
State the property trends in general of elements on moving from left to right in a period of the periodic table.
Electron Affinity is maximum in ______.
