Home
Class 10
CHEMISTRY
An atom has the electronic configuration...

An atom has the electronic configuration 2, 8, 7.
a] What is the atomic number of this element? b] To which of the following elements would it be chemically similar? (Atomic numbers are given in parenthesis) N (7), F (9), P (15), Ar (18)

Text Solution

Verified by Experts

(a) 17
(b) F (9).
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    OSWAAL PUBLICATION|Exercise NCERT CORNER -INTEXT QUESTIONS|13 Videos

  • METALS AND NON-METALS

    OSWAAL PUBLICATION|Exercise NCERT CORNER (Textbook Exercises)|16 Videos

  • SOLVED PAPER SSLC KARNATAKA APRIL 2019

    OSWAAL PUBLICATION|Exercise QUESTIONS|49 Videos

Similar Questions

Explore conceptually related problems

An atom has electronic configuration 2, 8, 7 what is the atomic number of this element ?

The electronic configuration of an element with atomic number 26 is

An atom has electronic configuration 2, 8, 2. (i) What is the atomic number of this element ? (ii) What is its valency ? (iii) To which of the following elements would it be chemically similar and why ? (Be-4, 0-8. Justify your answer.)

The electronic configuration , group number and period number of an element with atomic number 10 is

The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)3p^(3) What is the atomic number of the element which is just below this element in the periodic table?

Write the name, symbol and electronic configuration of an element X whose atomic number is 11.

Write the electronic configuration of the elements with the atomic numbers 61, 91, 101 and 109.