Worksheet Writing Chemical Formulas And Naming Compounds

Worksheet Writing Chemical Formulas And Naming Compounds – Naming chemical compounds is an essential idea in the field of chemistry. It is about assigning a specific name to compounds based upon its composition. It is important to know that the name given to a chemical compound can provide important information regarding its properties and the structure. There are various kinds of chemical compounds, including Ionic compounds, covalent substances, also known as binary compounds.

Naming Ionic Compounds

Ionic compounds are formed by electron transfer across the atom. They are made up made up of positively charged anion as well as negatively charged anion. The rules of naming ionic compounds are as follows:

1. Write the name and the cation first, followed by it’s anion’s name.
2. If the cation is charged with more than one possible charge then indicate the charge using Roman numerals in parentheses.
3. If an anion’s structure is polyatomic Ion, use the name of the Ion.

Examples:

• NaCl is also known as sodium cyanide.
• FeCl3 is also known as iron(III) chloride.
• Mg(NO3)2 is known as magnesium Nitrate.

Naming Covalent Compounds

Covalent compounds arise from sharing electrons among atoms. They consist of molecules that are made up of two or more atoms. The rules for naming covalent compounds are as in the following order:

1. Inscribe the name of the first element in the formula.
2. Enter your name for the element of the formula, and change the end“-ide. “-ide”.
3. Prefixes can be used to indicate the number of atoms in every element of the molecule. The exception is“mono,” which is the name of the element “mono-” for the first element.

Examples:

• Carbon dioxide is the name of CO2.
• N2O is named dinitrogen monoxide.
• It is also known as sulfur hexafluoride.

Naming Binary Compounds

Binary compounds are compounds made of two components. The rules for the naming of binary compounds are as in the following order:

1. Name the first element in the formula.
2. Enter“double element” of the formula, and change the ending“-ide “-ide”.

Examples:

• The chemical name for HCl is hydrogen chloride.
• CO is also known as carbon monoxide.
• CaO is the term used to describe calcium oxide.

Practice Exercises

For reinforcement of learning and reinforce learning, the worksheet includes training exercises to help students name ionic molecules, covalent compound, and binary compounds. The exercises will assist students to gain a thorough understanding of the rules to name 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

Through these exercises, students will build confidence being able to identify chemical compounds and be able to apply the rules to other chemical compounds.

Conclusion:

Naming compounds is an essential concept in chemistry that requires a solid understanding of fundamental rules and principles to creating names for different kinds and types of compounds. Through following the steps laid out in this worksheet and practicing using the provided exercises, students can be confident in naming ionic, covalent and other binary chemicals. This skill is essential to success in chemistry and lays the foundation for further studies in the area.

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