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Mixture
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- A mixture is formed when two or more elements or compounds are present without being chemically bonded together. The substances which have been mixed are not present in specific amounts or ratios like they are in a compound, e.g. two hydrogen atoms for each oxygen atom in water.
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A compound is a substance that contains two or more elements chemically combined in a fixed proportion. Compounds may be broken down into simpler substances by chemical means.
- Chemical Formulas
Since each of the subscripts is divisible by 6, the...
- Chemical Formulas
When we mix two different pure substances together, like this, it’s a mixture. This is now a mixture of the elements iron and sulfur. The different elements are not joined together.
Compound: two or more different atoms bonded together. Mixture: two or more different atoms together but not joined. Molecule: two particles (same or different) bonded together. Element: only 1 type of atom; this definition is applied to things both bonded and not to itself.
A mixture is something that is made by mixing two or more different things. Mixtures are everywhere we look. For example, you are sitting on the beach having a cup of coffee.
- Elements
- Atoms and Molecules
- Molecules
- Compounds
- Mixtures
- Conclusion
What is an element ? An element is a puresubstance that cannot be broken down into two or more simple substancesby chemical processes. 1. The chemical processes can be: 1. Thermal Decomposition:It involves heating the substance strongly until it decomposes or breaks down into smaller substances. 2. Electrolysis: It involves using electricity to bre...
Elements can exist as atoms or molecules. Atoms are the smallestparticles of an element that have the chemical properties of that element. Each element is made up of only onetype of atom.
A molecule is a group of two or more atoms that are chemically combined together. 1. Diatomicmolecules are those that are formed by the combination of two atoms. Examples: A hydrogen molecule contains two hydrogen atoms that are chemically combined together. Hence, the molecular formula of hydrogen is H2.The subscript ‘2’ after the chemical symbol ...
What is a compound ? A compound is a puresubstance that contains two or more elementsthat are chemically combinedin a fixed ratio. The table below shows the ratio of the different elements that make up some of the common compounds. Take carbon monoxide as an example. It is made up of two elements – carbon and oxygen. The ratio of carbon atom to oxy...
A mixture is made up of two or more substances that are not chemically combined. The components of a mixture are not fixed. They can be in any ratio, unlike in a compound. Seawater Air Seawater and air are some examples of mixtures. 1. Seawater is a mixture of salt, water, sand and other impurities. 2. Air is a mixture of different gases such as ni...
In this article we have learnt what elements, compounds, and mixtures are, as well as the differences between them. All the learning outcomes have been discussed keeping in mind the Secondary 3 Chemistry syllabus. Daily practice and regular revision can help students get a strong hold over this chemistry topic.
Jul 20, 2022 · This can either be one single element or one single compound, but every sample of this substance that you examine must contain exactly the same thing with a fixed, definite set of properties. If we take two or more pure substances and mix them together, we refer to this as a mixture.
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Jun 19, 2021 · The periodic table is made up of elements but these can combine with other elements to form compounds. Sometimes they are found together but they do not have a bond between them so we call them a mixture. Lets explore these meanings now looking at some examples.
