H:Si:H (left and right side) H:Si:H (top and bottom) Silicon forms covalent bonds with 4 hydrogens. This completes the octet of silicon which has 4 valence electrons. Hydrogen is also stable because it needs 2 valence electrons to stabilize its "octet" because it only has a 1s orbital.
Silicon has 4 valence electrons, and hydrogen each has 1 valence electron. Silicon is in the center, with each of the four hydrogens around it. Silicon bonds once with each hydrogen. H | H-Si-H | H
The Lewis structure for SiH3- is very simple. The Si atom is treated like a C atom. It will be placed in the center, with three H atoms single bonded to it, and a -1 formal charge indicated at the Si atom.
No
5 electrons where two electrons are paired and three are unpaired
The electron-dot structure of sodium atom is 'Na-dot' or 'Na.' One dot is one valence electron.
The Lewis structure of SiBr4 shows silicon in the center bonded to four bromine atoms. Silicon has 4 valence electrons, and each bromine contributes 1 electron, resulting in a stable structure with no formal charges. The central silicon atom has 4 bonds and 0 lone pairs.
carbon, germanium, tin, lead
Silicon has 4 valence electrons, and hydrogen each has 1 valence electron. Silicon is in the center, with each of the four hydrogens around it. Silicon bonds once with each hydrogen. H | H-Si-H | H
The correct Lewis structure for FSiN would show fluorine (F) as the central atom with silicon (Si) and nitrogen (N) bonded to it. Fluorine is more electronegative than silicon and nitrogen, so it will have a full octet in the structure. Silicon will have 6 valence electrons and nitrogen will have 5 valence electrons, completing their octets by sharing electrons with fluorine. The structure will have single bonds between fluorine and silicon, fluorine and nitrogen, and silicon and nitrogen.
The Lewis structure for SiH3- is very simple. The Si atom is treated like a C atom. It will be placed in the center, with three H atoms single bonded to it, and a -1 formal charge indicated at the Si atom.
No
The Lewis dot structure for xenon tetrahydride (XeH4) consists of Xenon (Xe) at the center with four hydrogen (H) atoms bonded to it. Xenon has 8 valence electrons, so it shares one electron with each hydrogen to complete its octet. The structure forms a tetrahedral shape with Xenon as the central atom.
This is an ionic compound. Sodium is positively charged and is paired with the negatively charged BH4 molecule, which, in Lewis dot structure form, comprises a boron atom connected to four H atoms.
The Lewis dot structure of CaH2 shows calcium (Ca) with 2 dots representing its valence electrons and each hydrogen (H) atom bonded to calcium with one dot representing its valence electron. This forms a linear structure with calcium in the center and one hydrogen atom bonded to each side.
Resonance structure.
The Lewis diagram for SI2 would show Silicon (Si) with a double bond connecting to another Silicon atom (Si), since Silicon has 4 valence electrons and can form double bonds. Each Silicon atom would have a full octet of electrons around it in the diagram.
The Lewis dot structure for germanium (Ge) is: Ge: :Ge: