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प्रश्न
Choose the word or phrase from the bracket which correctly complete each of the following statement:
Metals are good ................. (oxidising agents/reducing agents) because they are electron ............. (acceptors/donors).
उत्तर
Metals are good reducing agents because they are electron donors.
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संबंधित प्रश्न
Define the term : Valency
The element which has the maximum number of valence electrons is:
(a) Na
(b) P
(c) Si
(d) A
What do you understand by periodicity?
What do you understand by orbits?
An element has 2 electrons in its N shell.
State the name assigned to this group.
Why fluorine has higher E.N. than chorine?
Chorine in the periodic table is surrounded by the elements with atomic number 9, 16, 18 and 35.
Which of these have physical and chemical properties resembling chlorine.
An element 'X' (Atomic number – 20) burns in the presence of oxygen to form a basic oxide.
(a) Identify the element and write its electronic configuration.
(b) State its group number and period number in the Modern Periodic Table.
(c) Write a balanced chemical equation for the reaction when this oxide is dissolved in water.
On the basis of electronic configuration, how will you identify the first and the last element of a period?
Select the correct answer
Identify the metalloid