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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
An element X is in group 2 of the periodic table What will be the formula of its chloride?
An element X is in group 2 of the periodic table what will be the formula of its oxide?
Two elements X and Y belong to group 1 and 2 respectively in the same period of periodic table. Compare them with respect to:
(i) the number of valence electrons in their atoms
(ii) their valencies
(iii) metallic character
(iv) the sizes of their atoms
(v) the formulae of their oxides
(vi) the formulae of their chlorides
An element X from group 2 of the Periodic Table reacts with Y from group 17 to form a compound. Give the formula of the compound.
An element X combines with oxygen to form an oxide XO. This oxide is electrically conducting. Write the formula of the compound formed when X reacts with chlorine.
Element ‘A’ has electronic configuration 2, 7; ‘B’ has electronic configuration 2, 8, 5 and ‘C’ has electronic configuration 2, 8, 7. Which two elements will exhibit similar chemical properties?
Which of the following elements does not lose an electron easily?
Relate the names of the following scientists with the statements given below.
Arranged elements in the increasing order of atomic mass.
Complete the following triads by inserting the missing elements.
Cl, ______, I
How are elements grouped into various families in the periodic table?
