What do we call those particles which are formed :(a) by the gain of electrons by atoms?(b) by the loss of electrons by atoms?

Academic Chemistry NCERT Class 9

(a) The particles formed by the gain of electrons are called anions.

(b) The particles formed by the loss of electrons are called cations.

Tutorialspoint

Updated on: 10-Oct-2022

119 Views

(a) What do we call those particles which have more or less electrons than the normal atoms?(b) What do we call those particles which have more electrons than the normal atoms? (c) What do we call those particles which have less electrons than the normal atoms?
What do we call those particles which have :(a) more electrons than the normal atoms?(b) less electrons than the normal atoms?
What do we call those particles which have more or less electrons than the normal atoms?
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?
Fill in the following blanks with suitable words :(a) The particle which is formed by gain of electrons by an atom is called ...................(b) The particle which is formed by the loss of electrons by an atom is called ...................(c) The particle which is formed by the loss or gain of electrons by an atom is called .....................(d) A potassium ion has positive charge because it contains less .................... than ...................(e) A sulphide ion has negative charge because it contains less ....................... than ...................
Covalent bonds are formed by the __________ of electrons between two atoms so that both can achieve a completely filled outermost shell.
What is the meant by electrons ?
What name is given to those atoms which contain the same number of protons and electrons but different number of neutrons?
(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?
Write the distribution of electrons in carbon and sodium atoms.
In a sample of ethyl ethanoate (CH3COOC2H5), the two oxygen atoms have the same number of electrons but different number of neutrons. Which of the following is the correct reason for it?(a) one of the oxygen atoms has gained electrons(b) one of the oxygen atoms has gained protons(c) the two oxygen atoms are isotopes(d) the two oxygen atoms are isobars
Find out the valency of the atoms represented by the Fig. 4.3 (a) and (b)."
(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) Which of the nuclear particles is present in the same fixed number in the atoms of any particular element?(b) What do we call this number which is characteristic of a particular element?
The atoms of copper contain electrons and the atoms of rubber also contain electrons. Then why does copper conduct electricity but rubber does not conduct electricity?

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements