Naming Molecular Compounds Chem Worksheet 9-2 Answer Key

Naming Molecular Compounds Chem Worksheet 9-2 Answer Key – Naming compounds is an essential idea in the field of chemistry. It involves assigning a distinctive name to the chemical compound on the basis of its composition. In addition, the name assigned to the compound contains important information about its properties and its structure. There are several kinds of chemical compounds, such as ionic compounds, covalent compounds, or binary substances.

Naming Ionic Compounds

Ionic compounds arise from moving electrons around atoms. They are made up of negatively charged cations and negatively charged anion. The guidelines for naming ionic compounds are as like this:

1. Inscribe the name of Cation first, then names of anion.
2. If the cation has more than one possible charge, indicate the charge using Roman numbers in parentheses.
3. If there is a possibility of polyatomic Ion, identify the ion.

Examples:

• NaCl is known as sodium chloride.
• FeCl3 is named iron(III) chloride.
• Mg(NO3)2 is known as magnesium nurate.

Naming Covalent Compounds

Covalent compounds form through sharing electrons among atoms. They consist of molecules made by two or more atoms. The guidelines for naming compounds that are covalent are as follows:

1. Enter the name of the first element of the formula.
2. Enter the name of the second element in the formula, changing the ending“-ide “-ide”.
3. Use prefixes to identify the number of atoms present in each element in the molecule. There is no prefix for“mono,” for example “mono-” for the first element.

Examples:

• CO2 is named carbon dioxide.
• N2O is named dinitrogen monoxide.
• SHF is also known as sulfur Hexafluoride.

Naming Binary Compounds

Binary compounds are the ones made up of two elements. The rules for names for binary compounds are as according to:

1. Name the first element in the formula.
2. Enter your name for the element of the formula, and change the ending in the form of “-ide”.

Examples:

• The chemical name for HCl is hydrogen chloride.
• CO is the name given to carbon monoxide.
• Calcium oxide is known as CaO.

Practice Exercises

To further reinforce the learning it will be accompanied by an exercise to practice naming ionic compounds, covalent compounds, and other binary chemicals. These exercises will aid students acquire a deep understanding the rules that govern the naming of chemical compounds.

Ionic Compound Naming Exercises:

1. Na2S
2. KBr
3. CaF2
4. Al2O3

Covalent Compound Naming Exercises:

1. CO
2. SO2
3. N2O4
4. H2O2

Binary Compound Naming Exercises:

1. Cl2O7
2. P2S5
3. BrF3
4. NO

As they complete these exercises students will improve their confidence formulating chemical names and be able to apply the rules to other compounds.

Conclusion:

Naming compounds is an important idea in chemistry that requires a solid understanding of what rules apply and the best practices to Naming different kinds of compounds. Following the guidelines outlined in this worksheet, and working by using the included exercises, students are able to confidently identify ionic and covalent, the binary chemical compounds. This is vital for an effective chemistry education and forms the foundation for future research in the area.

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