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प्रश्न
Name an element of group 18 which can form compounds.
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उत्तर
Xenon or krypton from Group 18 can form compounds.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
The basis for modern periodic table is ...............
Give two example of group 1 elements.
Give two example of group 18 elements.
How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
Which of the following are the correct characteristics of isotopes of an element?
(i) same atomic mass
(ii) same atomic number
(iii) same physical properties
(iv) same chemical properties
(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)
Name the type of elements which have outermost shell complete.
What is meant in the periodic table by a period?
Write an explanation.
Period
State whether true or false. If false, correct the statement.
Lanthanides and actinides are kept at the bottom of the periodic table because they resemble each other but they do not resemble with any other group elements.
Explain giving reason why although the nuclear charge in atoms increases in moving from left to right in a period as well as in moving from top to bottom in a group in the Modern periodic table, but the size of the atoms does not vary similarly in both situations.
