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प्रश्न
Name the type of elements which have two outermost shell incomplete.
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उत्तर
Transition elements
संबंधित प्रश्न
The position of three elements A, B and C in the Periodic Table are shown below –
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Group 16
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Group 17
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−
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−
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−
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A
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−
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−
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B
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C
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(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
Explain why All the elements of a group have similar chemical properties.
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)
Correct the statement.
Transition elements are placed at extreme right of the periodic table.
Give the symbol and valency of the following element and radical.
Hydroxide
Give the chemical formula of sodium hydroxide
Give the chemical formula of ammonium sulphate
To the left of the zig-zag line in the periodic table are the metal elements.
If an element X is placed in group 14, what will be the formula and the nature of bonding of its chloride?
Answer the following in respect of element \[\ce{_16^32S}\].
Give its formula with hydrogen.
