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प्रश्न
State the term
The tabular arrangement of elements in horizontal rows and vertical columns _________
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उत्तर
The tabular arrangement of elements in horizontal rows and vertical columns periodic table.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
Group 18 elements are called ...............
The three elements having chemical symbols of Si, B and Ge are:
(a) all metals
(b) all non-metals
(c) all metalloids
(d) Si is metalloid, B is metal and Ge is non-metal
How does the chemical reactivity of the halogens vary on going in group 17 of the periodic table?
Consider the following elements:
20Ca, 8O, 18Ar, 16S, 4Be, 2He
Which of the above elements would you expect to be:
(i) very stable?
(ii) in group 2 of the periodic table?
(iii) in group 16 of the periodic table?
Arrange the elements of second and third periods in increasing order of their atomic size.
Third Period.
Give the symbol and valency of the following element and radical.
Calcium
Give the symbol and valency of the following element and radical.
Sulphur [Sulphide]
Give the chemical formula of sodium nitrate
State the number of elements in Period 2 of the Periodic Table.
The element which has the least tendency to lose electrons is ______
