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How do the properties of a compound compare with the properties of the elements that make up the compound?
A compound is a unique substance that forms when two or more elements combine chemically. A compound always has the same elements in the same proportions. The properties of compounds may be very different from the properties of the elements that form them.
Do compounds have different properties than their elements?
A compound is a substance formed from two or more elements chemically joined (bonded) together. A compound has chemical properties different from the properties of the elements it contains. Molecules are substances formed when two or more atoms are chemically joined (bonded).
How is a compound different from an element?
Elements are substances that are made from one type of atom. An element cannot be broken down into any other substance. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction.
What are the properties of compound class 9?
Properties of Compounds:
- Elements in a compound are in fixed proportion.
- Compounds have a definite set of properties.
- Compounds can be broken down chemically only.
- Particles of compounds are of one kind only.
- They are homogenous i.e. identical.
What are some properties of compounds?
Physical Properties of Molecular Compounds
| Property | Ionic Compounds | Molecular Compounds |
|---|---|---|
| Physical state at room temperature | Solid | Gas, liquid, or solid |
| Water solubility | Usually high | Variable |
| Melting and boiling temperatures | Generally high | Generally low |
| Electrical conductivity | Good when molten or in solution | Poor |
What are the properties of compound?
Properties of Compounds:
- They have a fixed composition.
- They have definite properties.
- They cannot be separated physically.
What do elements and compounds have in common?
On first glance, elements and compounds might appear different, yet they share many similarities, like being made up of atoms and having bonds linking their atoms together. Elements and compounds also share the qualities of being both pure and homogeneous substances.
How are the properties of a compound different from its constituent elements?
In general, the properties of a compound are very different from the properties of its constituent elements. For example, the properties of water are altogether different from the properties of the elements (hydrogen gas and oxygen gas) that make it up You must be signed in to discuss.
How to give an example of a compound?
Give an example of a common compound and the elements of which it is composed to illustrate your answer. In general, the properties of a compound are very different from the properties of its constituent elements.
How does the valency of an element affect a compound?
The elements in a compound do not always retain their original properties and cannot be separated by physical means. The combining of elements is facilitated by their valency. Valency is defined as the number of hydrogen atoms required that can combine with an atom of the element forming the compound.
How to calculate relative number of atoms in a compound?
Empirical formula gives relative number of atoms of each element in a compound + contains smallest whole-number ratio of elements in the compound. Molecular formula gives the actual number of atoms of each element in the compound. Structural formula shows how atoms are connected. Ball-and-stick model shows geometry of compound.