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प्रश्न
Name the following:
The group of the Modern Periodic Table to which calcium [Ca2+] belongs.
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उत्तर
Group 2
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संबंधित प्रश्न
How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?
What is the usual number of valence electrons in the atoms of the last element in a period?
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)
What do you understand by typical elements?
Name the type of elements which have outermost shell incomplete.
Write the number of protons, neutrons and electronic configuration of \[\ce{_19^39K, _15^31P}\]. Also state their position in periodic table.
______ forms the basis of the modern periodic table.
Which of the following statements about the Modern Periodic Table is correct:
Compare the radii of two species X and Y. Give reasons for your answer.
- X has 12 protons and 12 electrons
- Y has 12 protons and 10 electrons
Match the atomic number with the following:
A rare gas.
