Calcium is denoted by the letter “Ca” and its atomic number is 20. The number of electrons in Calcium is 20. The electron configuration of calcium Electron configuration is the arrangement of electrons in different orbitals of an atom. It is obtained as per the below rules (a) As per the Aufbau rule or Principle, …
Oxygen is denoted by the letter O and its atomic number is 8. The number of electrons in Oxygen is 8. It is a highly reactive non-metal Electron configuration of Oxygen Electron configuration is the Arrangement of electrons in different orbitals of an atom. The electronic configuration of Oxygen is given by 1s2 , 2s2, 2p4 …
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Sodium is denoted by the letter Na and its atomic number is 11. The number of electrons in Sodium is 11 Electron configuration of Sodium Electron configuration is the Arrangement of electrons in different orbitals of an atom. The electronic configuration of sodium is given by 1s2 , 2s2, 2p6 ,3s1 or 2, 8,1 we can write …
What is a Homogeneous Mixture? In chemistry, a homogeneous mixture is a type of mixture. Another type of mixture is a heterogeneous mixture. Homogeneous mixtures, like pure substances, have a single phase of matter observed, as opposed to heterogeneous mixtures, which have two or more phases of matter. Because salt has a distinct composition, …
A heterogeneous mixture has a non-uniform composition. The composition of the sample varies in a heterogeneous mixture. These mixtures have at least two distinct phases with various characteristics. A sample of a heterogeneous mixture shows the individual components. A phase is any fraction of a sample with consistent composition and properties. A pure substance or …
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A mixture in chemistry is a compound made up of two or more chemical substances that are not chemically linked to each other. The physical combination of two or more substances is referred to as a mixture. The chemical identity of the constituents is preserved in a mixture, which can take the form of solutions, …
This short article is going to be about ignition temperature which is the lowest temperature at which a substance catches fire. Before going any further let us first see why fire is important to us. We will also learn about why knowing this temperature for various substances is important to us. TLDR; The lowest temperature …
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We already know what are elements in chemistry. In this article, we will learn about the most abundant element on earth and its atmosphere. Some elements are found in abundance whereas some elements are almost rare on the Earth. Did you know that there are a total of 118 elements? (read What is an element …
