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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
Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?
State modern periodic law.
Give alongside is a part of the periodic table :
As we move horizontally from left to right:
| Li | Be | B | C | N | O | F | |
| Na | Mg | Al | Si | P | S | Cl |
(i) What happens to the metallic character of the elements?
(ii) What happens to the atomic size?
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.
Chlorine [Chloride]
The d-block elements are called as ______ elements.
Right or wrong sentence.
The modern periodic table shows the molecular masses of the elements in each frame.
Noble gases belong to______ group of the periodic table.
Which one of the following elements exhibit maximum number of valence electrons?
______ group elements are called alkaline earth metals.
