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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Give the Chemical Formula of Sodium Bicarbonate

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प्रश्न

Give the chemical formula of sodium bicarbonate

एका वाक्यात उत्तर
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उत्तर

It denotes in a compound, the number of atoms of element present.

∴ Formula = \[\ce{NaHCO3}\]

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पाठ 4: Atomic Structure - Exercise

संबंधित प्रश्‍न

Fill in the following blank with suitable word:
Group 17 elements are known as ...............


What is the name of those elements which divide metals and non-metals in the periodic table?


What are the merits of the modern periodic table of elements?


Give the symbol and valency of the following element and radical.

Bisulphate


The groups 1 and 2 constitute the ______ block.


In the modern periodic table, elements are arranged according to their ______  


Which of the given elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively belong to the same period?


Compare the radii of two species X and Y. Give reasons for your answer.

  1. X has 12 protons and 12 electrons
  2. Y has 12 protons and 10 electrons

Select the appropriate options and complete the following paragraph:

(metals, non-metals, metalloids, four, seven, s-block, p-block, d-block, f-block).

On the basis of electronic configuration, elements in the modern periodic table are classified Into ______ blocks. Groups 1 and 2 elements are included in ______ and all these elements are metals. (except Hydrogen). Group 13 to 18 elements are included in ______. This block contains metals, non-metals and metalloids. Group 3 to 12 elements are included in ______ and all the elements are ______ elements shown at the bottom of the periodic table i.e. Lanthanides and Actinides constitute ______ and all these elements are metals.


Answer the following in respect of element \[\ce{_16^32S}\].

To which group and period does it belong?


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