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प्रश्न
Rewrite the following statement after correction, if necessary:
Isotopes are the elements of the same group.
उत्तर
The statement is correct.
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संबंधित प्रश्न
An element P (atomic number 20) reacts with an element Q (atomic number 17) to form a compound. Answer the following questions giving reason:
Write the position of P and Q in the Modern Periodic Table and the molecular formula of the compound formed when P reacts with Q.
The element which can from an acidic oxide should be the one whose atomic number is:
(a) 6
(b) 16
(c) 12
(d) 19
An element X is in group 2 of the periodic table what will be the formula of its oxide?
Write the names and symbols of two very reactive metals belonging to group 1 of the periodic table. Explain by drawing electronic structure, how either one of the two metals reacts with a halogen. With which name is the bond formed between these elements known and what is the class of the compound so formed known? State any four physical properties of such compounds.
In which block of the modern periodic table are the nonmetals found?
______ group contains the member of the halogen family.
Which of the following elements does not lose an electron easily?
Arrange the following elements in the order of their decreasing metallic character
Na, Si, Cl, Mg, Al
Complete the following triads by inserting the missing elements.
Cl, ______, I
Complete the following triads by inserting the missing elements.
Li, ______, K
