To determine why the elements of Group 8 are referred to as the noble gas or inert gas elements. Concept Introduction: The electrons which are present in the outer most energy level is known as valance electron. This can be calculated by the group number of the element. Generally, the group number is same as the valance electrons of any elements. The arrangement of electrons in an atom by a superscript, in each sublevel is known as electron configuration. Octet rule: Atoms of element atoms lose, gain or share electrons to get 8 valence electrons in the electron configuration. This corresponds to the electronic configuration of the nearest noble element. Periodic table is arrangement of different elements with the help of columns and rows in order to characterize elements with similar properties in same groups such as alkali metals, alkaline earth metals, halides, noble gases, transition elements etc. In the periodic table, columns represent groups and rows represents periods. The elements of group 18, which are known as noble gases are following: helium (He). neon (Ne). argon (Ar). krypton (Kr). xenon (Xe). radon (Rn). oganesson(Og).

Question

A covalent bond is the result of the a) b) c) d) e) overlap of two half-filled s orbitals overlap of a half-filled s orbital and a half-filled p orbital overlap of two half-filled p orbitals along their axes parallel overlap of two half-filled parallel p orbitals all of the above

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Question

Chapter 4, Problem 58QAP

Interpretation Introduction

Interpretation:

To determine why the elements of Group 8 are referred to as the noble gas or inert gas elements.

Concept Introduction:

The electrons which are present in the outer most energy level is known as valance electron. This can be calculated by the group number of the element. Generally, the group number is same as the valance electrons of any elements.

The arrangement of electrons in an atom by a superscript, in each sublevel is known as electron configuration.

Octet rule: Atoms of element atoms lose, gain or share electrons to get 8 valence electrons in the electron configuration. This corresponds to the electronic configuration of the nearest noble element.

Periodic table is arrangement of different elements with the help of columns and rows in order to characterize elements with similar properties in same groups such as alkali metals, alkaline earth metals, halides, noble gases, transition elements etc. In the periodic table, columns represent groups and rows represents periods.

The elements of group 18, which are known as noble gases are following:

helium (He).

neon (Ne).

argon (Ar).

krypton (Kr).

xenon (Xe).

radon (Rn).

oganesson(Og).

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