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प्रश्न
Example for liquid metal is ______.
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उत्तर
Example for liquid metal is Mercury
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संबंधित प्रश्न
Write the electronic configuration of two elements X and Y whose atomic numbers are 20 and 17 respectively. Write the molecular formula of the compound formed when element X reacts with element Y. Draw the electron-dot structure of the product and also state the nature of the bond formed between both the elements.
State whether the following statement is true of false:
The elements in a group have consecutive atomic numbers.
As element X has mass number 40 and contains 21 neutrons in its atom. To which group of the periodic table does it belong?
An element X combines with oxygen to form an oxide XO. This oxide is electrically conducting.
(a) How many electrons would be there in the outermost shell of the element X?
(b) To which group of the periodic tables does the element X belong?
(c) Write the formula of the compound formed when X reacts with chlorine.
What is the need for classification of elements?
Give a reason why elements need to be properly classified.
Which of the following have inert gases 2 electrons in the outermost shell.
Which one of the following statements is not correct about the trends in the properties of the elements of a group on going down in a group?
Which one of the following does not increase while moving down the group of the periodic table?
Complete the following triads by inserting the missing elements.
Li, ______, K
