Go through the Modern periodic table (fi...

Go through the Modern periodic table (fig2.1) and write the names one below the other of the elements of group 1.

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On going through the Modern periodic table (fig2.1) it is seen that the elements Li,Be,B,C,N,O,F and Ne belong to the period -2. Write down the electronic configuration.

On going through the Modern periodic table (fig. 2.1) it is seen that the elements Li,Be,B,C,N,O,F and Ne belong to the period - 2. Write down the electronic configuration. Is the number of shells the same in these?

By referring to the modern periodic table, find out the group to which the above elements belong.

A part of periodic table is shown in the following figure Write the symbol of the element Q'.

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Answer the following questions: Considering the elements of period 3 in the modern periodic table, answer the following questions : Name the element which has one electron in the outermost shell.

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Answer the following questions: Considering the elements of period 3 in the modern periodic table, answer the following questions : State the most electronegative element in this period.

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