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Question
Write the name.
Highest electropositive element
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Solution
Francium (Fr)
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RELATED QUESTIONS
An element has its electron configuration as 2, 8, 2. Now answer the following question.
a. What is the atomic number of this element?
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c. To which period does this element belong?
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Find the odd one out and give its explanation.
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| 4) f -block | d) Group 13 to 18 |
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Right or wrong sentence.
The valency of the elements in group 2 is 1.
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Right or wrong sentence.
The number of shields decreases as the calculation goes down from top to bottom.
Write a scientific reason.
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Electronic configuration of element A is 2,8,1. Answer the following questions based on this information.
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Distinguish between:
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XY compound is formed by X (Atomic number 11) and Y (Atomic number 17), then answer the questions given below.
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Make a chart which shows the name of the element, valency, atomic number, electronic configuration in the 2nd row of the modern periodic table and arrange these elements in ascending order of atomic mass.
