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Chapter 5: Problem 3

Predict the formula of the compound that forms between silicon (Si) and bromine (Br).

Short Answer

Expert verified
The formula for the compound formed between silicon (Si) and bromine (Br) is \(SiBr_{4}\).

Step by step solution

01

Determine the valencies of Silicon (Si) and Bromine (Br)

Silicon (Si) belongs to Group 14 in the Periodic Table and has a valency of 4. Bromine (Br) belongs to Group 17 in the Periodic Table and has a valency of 1 (as a halogen, it needs one more electron to complete its octet).
02

Write the symbols and valencies of each element

Write the symbols of each element with their respective valencies as superscripts. Silicon (Si) - \(Si^{4}\) Bromine (Br) - \(Br^{1}\)
03

Swap the valencies of the elements to form the compound

Now swap the valencies and use them as subscripts to create the formula for the compound. Silicon's valency of 4 becomes the subscript for bromine, and bromine's valency of 1 becomes the subscript for silicon. Since a subscript of 1 is generally not displayed, we get: \(SiBr_{4}\)
04

Write the final formula

The formula for the compound formed between silicon (Si) and bromine (Br) is \(SiBr_{4}\).

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Most popular questions from this chapter

Iodine atoms in \(\mathrm{I}_{2}\) should have a (a) \(1^{-}\) charge (b) \(\delta^{-}\) charge (c) \(\delta^{+}\) charge (d) No charge

For any representative element, what is the relationship between the element's Romannumeral group number and the number of dots in the Lewis dot diagram?

Using only the periodic table, arrange these sets of atoms in order of increasing electronegativity: (a) \(\mathrm{Li}, \mathrm{Be}, \mathrm{K}\) (b) \(\mathrm{O}, \mathrm{Si}, \mathrm{S}\) (c) \(\mathrm{Br}_{t} \mathrm{I}, \mathrm{Te}\)

How does a polar covalent bond differ from. a covalent bond? Give examples of diatomic molecules that contain a polar covalent bond and of diatomic molecules that contain a covalent bond.

Suppose one of the electrons from the covalent bond in \(\mathrm{H}_{2}\) suddenly vanished. Why would the bond between the atoms weaken?
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