Chemistry
What are the terms defined below ?
(i) A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
(ii) A bond formed by a shared pair of electrons with both electrons coming from the same atom.
Related Questions
Draw an electron dot diagram of the structure of — hydronium ion. State the type of bonding present in it.
By drawing an electron dot diagram, show the lone pair effect leading to the formation of — ammonium ion from ammonia gas and hydrogen ion.
Study the extract of the Periodic table given below and answer the questions that follow. Give the alphabet corresponding to the element in question: DO NOT repeat an element.
(a) Which element forms an electrovalent compound with G?
(b) The ion of which element will migrate towards the cathode during electrolysis?
(c) Which non metallic element has the valency 2?
(d) Which is the inert gas?
The following table shows the electronic configuration of the elements W, X, Y, Z :
Element W X Y Z Electronic
Configurations2, 8, 1 2, 8, 7 2, 5 1 Answer the following questions based on the table above:
(i) What type of bond is formed between:
- W and X
- Y and Z
(ii) What is the formula of the compound formed between :
- X and Z
- W and X