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प्रश्न
Name the type of elements which have one electron short of octet.
उत्तर
Halogens
संबंधित प्रश्न
Fill in the following blank with suitable word:
Group 1 elements are called ...............
What is meant by a group, in a periodic table?
Helium and neon are unreactive gases. What, if anything, do their atoms have in common?
In the modern Periodic Table, why does cobalt with higher atomic mass of 58.93 appear before nickel having lower atomic mass of 58.71?
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 are horizontal rows and vertical columns in a periodic table known as?
Name two elements in Alkali metals.
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Give the symbol and valency of the following element and radical.
Sulphur [Sulphide]
The d-block elements are called as _______ elements.
