Given the atoms involved and the number of valence electrons remaining, complete the Lewis structure by placing bonds between atoms such that each has a full octet.
(a)

검증된 단계별 안내

Step 1: Identify the central atom in the structure. Silicon (Si) is the central atom because it can form multiple bonds and is less electronegative than hydrogen (H).

Step 2: Determine the total number of valence electrons available. Silicon has 4 valence electrons, and each hydrogen atom contributes 1 valence electron. With 4 hydrogens, the total is 4 + 4 = 8 valence electrons.

Step 3: Place single bonds between the central atom (Si) and each hydrogen atom. Each bond uses 2 electrons, and since there are 4 hydrogens, this will use up all 8 valence electrons.

Step 4: Verify that the octet rule is satisfied for the central atom. Silicon will have 8 electrons around it (4 bonds × 2 electrons per bond), fulfilling its octet.

Step 5: Confirm that hydrogen atoms are satisfied with their duet rule. Each hydrogen atom is bonded to silicon with a single bond, giving them 2 electrons each, which satisfies their requirement.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Lewis Structures

Lewis structures are diagrams that represent the bonding between atoms in a molecule and the lone pairs of electrons that may exist. They use dots to represent valence electrons and lines to represent bonds between atoms. Understanding how to draw Lewis structures is essential for visualizing molecular geometry and predicting the behavior of molecules in chemical reactions.

Octet Rule

The octet rule is a chemical rule of thumb that states atoms tend to bond in such a way that they each have eight electrons in their valence shell, achieving a stable electron configuration similar to that of noble gases. This rule is particularly applicable to main group elements and is crucial for determining how atoms will bond in a molecule, ensuring that each atom achieves a full octet.

Valence Electrons

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms. The number of valence electrons determines an element's chemical properties and its ability to bond with other elements. In the context of Lewis structures, knowing the number of valence electrons is essential for accurately depicting how atoms connect and ensuring that the octet rule is satisfied.

Given the atoms involved and the number of valence electrons remaining, complete the Lewis structure by placing bonds between atoms such that each has a full octet. (a)