What is the general name of the elements having 8 electrons in the valence shell of their atoms?

Academic Chemistry NCERT Class 9

The general name of the elements having 8 electrons in the valence shell of their atoms is a noble gas.

Tutorialspoint

Simply Easy Learning

Updated on: 10-Oct-2022

333 Views

(a) What are valence electrons? Where are valence electrons situated in an atom?(b) What is the number of valence electrons in the atoms of an element having atomic number 13? Name the valence shell of this atom.
(a) What is the number of valence electrons in the atoms of first element in a period?(b) What is the usual number of valence electrons in the atoms of the last element in a period?
Which noble gas has less than 8 electrons in the valence shell of its atom? What is this number?
(a) What is the usual number of valence electrons and valency of group 18 elements of the periodic table?(b) What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?
State the number of electrons present in the outermost shell of the atoms of the following elements :(i) Neon (ii) Chlorine
What is the general name of the substances having infinitely high electrical resistance?
The electrons present in the outermost shell are called(a) valency electrons (b) octate electrons(c) duplet electrons (d) valence electron.
Write the distribution of electrons in an atom of element whose atomic number is 18. What is special about the outermost electron shell (or valence shell) of the atom of this element?
What is the major characteristic of the first elements in the periods of the periodic table? What is the general name of such elements?
Which element has:(a) two shells, both of which are completely filled with electrons? (b) the electronic configuration 2, 8, 2? (c) a total of three shells, with four electrons in its valence shell? (d) a total of two shells, with three electrons in its valence shell? (e) twice as many electrons in its second shell as its first shell?
Which one of the following elements exhibit a maximum number of valence electrons?NaAlSiP
The total number of electrons in a nitrogen atom is 7. Find the number of valence electrons in it.
Which one of the following statements is not correct about the trends in the properties of the elements of a period on going from left to right?The oxides become more acidic.The elements become less metallic.There is an increase in the number of valence electrons.The atoms lose their electrons more easily.
What is the name of the chemical bond formed:(a) By the sharing of electrons between two atoms?(b) By the transfer of electrons from one atom to another?
What is the maximum number of electrons an M shell of the atom can accommodate?

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements