Consider the elements: Cs, Ne, I and F
Identify the element that exhibits both positive and negative oxidation states.

Consider the elements: Cs, Ne, I and F Identify the element that exhibits only positive oxidation state.

Consider the elements: Cs, Ne, I and F Identify the element that exhibits only negative oxidation state.

Consider the elements: Cs, Ne, I and F Identify the element which exhibits neither the negative nor does the positive oxidation state.

Identify the element that can have highest oxidation number.

Which of the following exhibits both +4 and -4 oxidation states ?

Consider the elements of period 2 in the modern periodic table. Answer the following questions with explanation. Name the element in which both the shells are completely filled with electrons.

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.

Identify the group 14 elements that best fits of the each of the folllowing description. They prefer +2 oxidation state.

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 valence electrons same for all these elements ?

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?