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प्रश्न
Supply the missing word from those in bracket:
If an element has one electron in its outermost energy level [shell] then it is likely to be _______.
विकल्प
metallic
non- metallic
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उत्तर
If an element has one electron in its outermost energy level [shell] then it is likely to be metallic.
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संबंधित प्रश्न
Which element has a total of two shells, with three electrons in its valence shell?
Fill in the blank in the following statement:
On moving form right to left in the second period, the number of valency electrons ...............
How does Nature of oxides of elements change on going from left to right in a period of the periodic table?
Give examples in support of your answer.
Complete the following sentences.
The properties of the elements are a periodic function of their …………… (atomic number, mass number, reative atomic mass).
Name the element in period 3 which does not form oxide.
Arrange the following as per the instruction given in the bracket
He,Ar,Ne (Increasing order of the number of electron shells)
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).
An element belongs to the third period and Group IIIA (13) of the periodic table. State: the name of the element.
An element A has 2 electrons in its fourth shell. State:
is it an oxidising or reducing agent
Which of the following would weigh the least?
(Atomic masses C = 12, 0 = 16, Na = 23)
