Home
Class 11
CHEMISTRY
Two elements X and Y contain only one el...

Two elements X and Y contain only one electron in the outer level.Element X is reactive and loses electron easily while element Y is relatively unreactive and non-corrosive.The elements X and Y respectively are

A

Cs and Li

B

Rb and Na

C

Li and Cu

D

Ag and Au

Text Solution

Verified by Experts

The correct Answer is:
C
Alkali metal and coinage element,both have valence electron one,elements of same group I(A and B). Alkali metals are highly reactive while coinage elements are very less reactive .
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NCERT FINGERTIPS|Exercise NCERT Exemplar|12 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NCERT FINGERTIPS|Exercise Periodic Trends In Properties Of Elements|59 Videos

  • CHEMICAL BONDING & MOLECULAR STRUCTURE

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • ENVIRONMENTAL CHEMISTRY

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Which of the following elements does not lose an electron easily ?

The atom of an element X contains 27 electron X is expected to be

Which of the following elements would lose an electron easily ?

Element "X" has two electrons in its "M" shell.Identify the element.

An atom of element X contains 3 protons, 3 electrons and 4 neutrons: State whether element X is a metal or non-metal. Why?

An atom of element X contains 3 protons, 3 electrons and 4 neutrons: What could element X be?

Name the element whose atom contains only one proton and one electrons.