Question

consider the flowing structure. all electrons have been distributed.
question 1
is the octet rule satisfied?
no
yes

Explanation:

Step1: Recall the Octet rule

The Octet rule states that atoms tend to have 8 electrons in their valence shell (either by sharing, gaining, or losing electrons) to achieve a stable electron configuration similar to noble gases.

Step2: Analyze each atom in the structure

• Bromine (Br): It has 7 valence electrons. In the given structure, it forms one covalent bond with silicon. So, it has \(7 + 1=8\) electrons (6 non - bonding and 2 bonding) in its valence shell.
• Fluorine (F): It has 7 valence electrons. It forms one covalent bond with silicon. So, it has \(7 + 1 = 8\) electrons (6 non - bonding and 2 bonding) in its valence shell.
• Sulfur (S): It has 6 valence electrons. It forms one covalent bond with silicon. So, it has \(6+1 = 7\) electrons? Wait, no. Wait, sulfur in this case: it has 6 valence electrons, forms one bond (so 2 electrons in the bond), and 6 non - bonding electrons (\(6+2=8\) electrons in total in the valence shell).
• Silicon (Si): It has 4 valence electrons. It forms three single bonds (one with Br, one with F, and one with S). So, it has \(4+(1\times3)=7\) electrons? No, wait. Each single bond is 2 electrons. So silicon has \(4+(2\times3)=10\) electrons? No, no. Wait, no. Wait, in the Lewis structure, for each atom:
• Bromine: 6 lone pair electrons (\(3\) pairs) and 2 bonding electrons (\(1\) bond), total \(8\) electrons.
• Fluorine: 6 lone pair electrons (\(3\) pairs) and 2 bonding electrons (\(1\) bond), total \(8\) electrons.
• Sulfur: 6 lone pair electrons (\(3\) pairs) and 2 bonding electrons (\(1\) bond), total \(8\) electrons.
• Silicon: It has 3 single bonds (each single bond is 2 electrons). But wait, no. Wait, silicon has 4 valence electrons. It forms 3 single bonds (so 6 bonding electrons). But that would be \(4 + 6=10\) electrons. But wait, no! Wait, no. Wait, in the Lewis structure shown, all atoms (Br, F, S) have 8 electrons. Silicon, although it has 3 bonds (which is an exception as silicon can have an expanded octet in some cases, but the question is about whether the octet rule is satisfied for the atoms that are supposed to follow it. Bromine, fluorine, and sulfur (as non - central atoms here) follow the octet rule.

Answer:

Yes