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Worksheet about Periodic Table | ||
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| Subject: Chemistry | ||
| 5th Grade | ||
| Term 1 | ||
| Year: 2023/2024 | ||
| Size: 238.1KB | ||
| Number of clicks: 135 | ||
| Publish date:November 06, 2023 | ||
| Added by: Eman | ||
| Last download date: 2024-08-30 01:36:31 | ||
| Updated by: Eman9966 on 2023-11-06 05:40:50 | By: theodor Antonio A Sanchez | |
| File info: The Periodic Table is a fundamental tool in the field of chemistry. It is an organized arrangement of chemical elements based on their atomic number, electron configuration, and recurring chemical properties. Here is a description of the Periodic Table: The Periodic Table is composed of rows called periods and columns called groups or families. Each element is represented by a unique symbol, usually consisting of one or two letters, derived from its English or Latin name. The elements are arranged in order of increasing atomic number, starting with hydrogen (atomic number 1) and ending with the heaviest known element. The table is divided into several blocks: the s-block, p-block, d-block, and f-block. These blocks represent the different types of orbitals where electrons are found in the atom. The s-block and p-block elements are known as the main group elements, while the d-block and f-block elements are called the transition metals and inner transition metals, respectively. The Periodic Table allows us to classify and organize elements based on their chemical properties. Elements in the same group typically exhibit similar characteristics and behavior because they have the same number of valence electrons. This periodicity in properties is one of the key features of the table. The table provides essential information about each element, including its atomic number, atomic mass, electron configuration, and symbol. It also distinguishes between metals, nonmetals, and metalloids, which have different physical and chemical properties. Additionally, the Periodic Table is a valuable tool for predicting and understanding the behavior of elements and their compounds. It helps scientists identify trends and patterns in properties such as atomic radius, ionization energy, electronegativity, and reactivity. Overall, the Periodic Table is a powerful resource that serves as a foundation for studying and comprehending the vast array of chemical elements and their interactions. | ||
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