what suffix ends the names of all binary molecular compounds?
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The suffix that ends the names of all binary molecular compounds is "-ide." This suffix indicates that the compound is made up of two different elements. To determine the name of a binary molecular compound, you first need to identify the elements present in the compound and their respective numerical prefixes.
Here is a step-by-step process to determine the name of a binary molecular compound:
1. Identify the two elements present in the compound.
2. Determine the numerical prefixes for each element based on the number of atoms present.
- For example, "mono-" is used for one atom, "di-" for two atoms, "tri-" for three atoms, and so on.
3. Write the name of the first element using its numerical prefix.
4. Write the name of the second element using its numerical prefix.
5. Add the suffix "-ide" to the end of the name of the second element.
- This indicates that the compound is binary (composed of two elements).
Let's take an example: CO2
1. The elements present are carbon (C) and oxygen (O).
2. Carbon has no numerical prefix, while oxygen has the numerical prefix "di-" because there are two oxygen atoms.
3. Write the name of carbon: carbon.
4. Write the name of oxygen: dioxide.
5. Add the suffix "-ide" to the end of the name of oxygen: dioxide → dioxide.
Therefore, the name of the compound CO2 is carbon dioxide.