How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?

Academic Chemistry NCERT Class 10

On moving from left to right across a period in a periodic table, the tendency of atoms to gain electrons increases.

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Updated on: 10-Oct-2022

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How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
How does the valency of elements change on moving from left to right in the third period of the periodic table?
How does the number of valence electrons vary on moving from left to right:(i) In the first period of the periodic table? (ii) In the second period of the periodic table?
On moving from left to right in a period in the periodic table, the size of the atom.increasesdecreasesdoes not change appreciablyfirst decreases and then increases/p>
(a) How does the tendency to lose electrons change as we go down in group 1 of the periodic table? Why does it change this way?(b) How does the tendency to gain electrons change as we go down in group 17 of the periodic table? Why does it change this way?
How do the atomic radii of elements change as we go from left to right in a period of the periodic table?
What is periodicity in properties of elements with reference to the Modern Periodic Table? Why do all the elements of the same group have similar properties? How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change?
How does the metallic character of elements change along a period of the periodic table from the left to the right and why?
(a) What is a period in a periodic table? How do atomic structures (electron arrangements) change in a period with increase in atomic numbers from left to right?(b) How do the following change on going from left to right in a period of the periodic table? (i) Chemical reactivity of elements (ii) Nature of oxides of elements Give examples in support of your answer.
Fill in the blanks in the following statements:(a) The horizontal rows in a periodic table are called ............... (b) In going across a period (right to left) in periodic table, the atomicExplain with the diagram:(a.) If the angle between the applied force and the displacement caused due to the force is 0°, then the displacement is in the same direction of the applied force.(b.)If the angle between the applied forc size of the atom ...............(c) On moving form right to left in the second period, the number of valency electrons ...............(d) On going down in a group in the periodic table, the metallic character of elements ...............(e) The tendency to gain an electron ............... on moving down in a group of the periodic table.
(a) How does the size of atoms (atomic size) generally vary in going from left to right in a period of the periodic table? Why does it vary this way?(b) What happens to the metallic character of the elements as we move from left to right in a period of the periodic table?
(a) List any three observations which posed a challenge to Mendeleev’s Periodic law.(b) How does the metallic character of elements vary on moving from(i) left to right in a period,(ii) from top to bottom in a group of the Modem Periodic Table?Give a reason for your answer.
Rewrite the following statements after correction, if necessary:(i) Elements in the same period have equal valency (ii) The metallic character of elements in a period increases gradually on moving from left to right.
(a) How does the electropositive character of elements change on going down in a group of the periodic table?(b) State how the valency of elements varies (i) in a group, and (ii) in a period, of the periodic table.
Which of the following statements is not a correct statement about the trends when going from left to right across the periods of the periodic table?The elements become less metallic in nature.The number of valence electrons increases.The number of valence electrons increases.The oxides become more acidic.

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