Chapter 6, Problem 10STP

Interpretation Introduction

Interpretation:

The group to which properties the element 118 are similar needs to be determined.

Concept introduction:

The name of the element 118 is Oganesson and its symbol is Og. This element has highest atomic number and atomic masses among all the elements exists.

Answer to Problem 10STP

Properties of element 118 are similar to group 18, noble gas. Correct option is D.

Explanation of Solution

Reason for correct option: Element 118 belongs to p-block and 7^th period. In the p-block, it belongs to group 18. As this element belongs to group 18 (noble gases), it shows properties similar to group 18. So the correct option is D, noble gases.

Conclusion

Reason for incorrect option: Alkaline earth metals belong to s-block of the periodic table. But element 118 is present in p-block. So, A is incorrect option.

Halogens are present in group 17 of the periodic table. But element 118 is present in group 18. So, B is incorrect option.

Metalloids are present in group 13-17 of the periodic table. But element 118 is present in group 18. So, C is incorrect option.