On the basis of electronic structure , how will you select :
(a) The first element in a period .
(b) The terminating number in a period.
(c) The chemically similar element.

Open in App

Solution

1) The element having only one electron in its valence shell will be the first element.
2) The element having fully filled electronic configuration will be the terminating element.
3) The elements of same group will be chemically similar.

Suggest Corrections

Similar questions

(a) What is the fundamental difference in the electronic configurations between the group 1 and group 2 elements?

(b) On the basis of electronic configuration, how will you identify :

(i) chemically similar elements?

(ii) the first element of a period?

On the basis of electronic configuration, how will you identify the first and the last element of a period?

Which among the following is not true about modern periodic table (a) group number of an element gives an idea of the numbers of its valence electrons (b) non metals are present towards the right side of the periodic table (c) hydrides of the elements in the first group will have a similar formula (d) oxides of elements in the first period will have a similar formula

Q. The atom of an element has the electron structure 2, 7.
(a) What is the atomic number of the element?
(b) To which of the following would it be chemically similar?
₇N, ₁₅P, ₁₇Cl, ₁₈Ar
(c) Why would you expect it to be similar?

Q. Taking the example of an element of atomic number 16, explain how the electronic configuration of the atom of an element relates to its position in the modern periodic table and how valency of an element is calculated on the basis of its atomic number.

Join BYJU'S Learning Program

On the basis of electronic structure , how will you select :(a) The first element in a period .(b) The terminating number in a period.(c) The chemically similar element.

1) The element having only one electron in its valence shell will be the first element. 2) The element having fully filled electronic configuration will be the terminating element. 3) The elements of same group will be chemically similar.

On the basis of electronic structure , how will you select :
(a) The first element in a period .
(b) The terminating number in a period.
(c) The chemically similar element.

1) The element having only one electron in its valence shell will be the first element.
2) The element having fully filled electronic configuration will be the terminating element.
3) The elements of same group will be chemically similar.