What changes occur in the following on going from left to right in a period of the Periodic Table?
(i) Atomic size
(ii) Metallic character
(iii) Number of valence electrons

Open in App

Solution

a) Atomic size decrease from left to right across a period.
b) Metallic characteristics decrease from left to right across a period.
c) Number of valence electrons increases from left to right across a period.

Suggest Corrections

Similar questions

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 the periodic table, the atomic size of the atom .............

(d) When we 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.

Q. 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 atomic 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) What is a period in a periodic table? How do atomic structures (electron arrangements) change in a period with the 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.

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?

(a) The elements become less metallic in nature. (b) The number of valence electrons increases.

Q. Question 1
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?

1. The elements become less metallic in nature.
2. The number of valence electrons increases.
3. The atoms lose their electrons more easily.
4. The oxides become more acidic.

Join BYJU'S Learning Program

What changes occur in the following on going from left to right in a period of the Periodic Table?(i) Atomic size(ii) Metallic character(iii) Number of valence electrons

a) Atomic size decrease from left to right across a period. b) Metallic characteristics decrease from left to right across a period. c) Number of valence electrons increases from left to right across a period.

What changes occur in the following on going from left to right in a period of the Periodic Table?
(i) Atomic size
(ii) Metallic character
(iii) Number of valence electrons

a) Atomic size decrease from left to right across a period.
b) Metallic characteristics decrease from left to right across a period.
c) Number of valence electrons increases from left to right across a period.