Match the following terms with their definitions:
2 answers:
Explanation:
A mixture is defined as a substance in which two or more components are mixed together. Components in a mixture do not chemically combine together.
For example, sugar in water.
When solute particles completely and evenly mixed in a solvent then it is known as a homogeneous mixture. A homogeneous mixture is also known as a solution. For example, salt in water.
When solute particles are not evenly mixed in a solvent then it is known as a heterogeneous solution. For example, sand in water.
A compound is a substance in which two or more atoms are chemically combined together in a fixed ratio by mass. For example, is a compound.
Thus, we can conclude that given terms with their definitions are matched as follows.
1. Matter that is physically combined; has two forms of itself (homogeneous and heterogeneous) - Mixture.
2. A substance that that has uniform composition of two or more substances that cannot be seen - homogeneous mixture.
3. A substance that that has non-uniform composition of two or more substances that can be seen - heterogeneous mixture.
4. Substance composed of two or more elements bonded in a certain ratio by mass - Compound.
5. An example of a homogeneous mixture in a liquid form - solution.
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A molecular orbital that decreases the electron density between two nuclei is said to be <u>antibonding.</u>
The bonding orbital, which would be more stable and encourages the bonding of the two H atoms into , is the orbital that is located in a less energetic state than just the electron shells of the separate atoms. The antibonding orbital, which has higher energy but is less stable, resists bonding when it is occupied.
An asterisk (sigma*) is placed next to the corresponding kind of molecular orbital to indicate an antibonding orbital. The antibonding orbital known as * would be connected to sigma orbitals, as well as antibonding pi orbitals are known as * orbitals.
Therefore, molecular orbital that decreases the electron density between two nuclei is said to be <u>antibonding.</u>
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Hence, the correct answer will be option (b)
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