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प्रश्न
Select the correct answer
Which of the following electronic structure is of a metal?
विकल्प
2, 8, 8
2, 7
2, 8, 2
2, 8, 4
उत्तर
2, 8, 2 because it has only 2 electrons in its valence shell which can be lost to form a dipositive cation.
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संबंधित प्रश्न
Answer the following in respect of element `31/15 P `
What is its valency?
Name the periodic property which relates to the character of element which loses one or more electrons when supplied with energy.
Explain the following:
Metallic character of elements decreases from left to right in a period while it increases in moving down a group.
State whether the following statement is true or false
All members of zero group are non metals.
Match the atomic number with the following:
A metal of valency one.
Refering to changes in the properties of elements on moving from left to right across a period of the periodic table. Choose the correct answer.
The non-metallic character of the elements :
Electropositivity means _______.
Write an Explanation.
Electronegativity
Choose the odd one out and write the reason:
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (increasing metallic character)
