https://padlet.com/304816/nnbxigcsqidb Made with no regrets, whatsoever en-us 2017-11-28 18:16:36 UTC 2023-06-27 15:39:26 UTC hello@padlet.com 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211074489 A atom is a source of nuclear energy.]]> 2017-11-28 18:19:37 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211074489 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211075879 A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.]]> 2017-11-28 18:21:38 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211075879 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211075982 A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.]]> 2017-11-28 18:21:47 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211075982 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211076163  It is used to describe where electrons are when they go around the nucleus of an atom. ]]> 2017-11-28 18:22:04 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211076163 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211076539 The theory that all matter is made up of tiny indivisible particles (atoms). According to the modern version, the atoms of each element are effectively identical, but differ from those of other elements, and unite to form compounds in fixed proportions.]]> 2017-11-28 18:22:40 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211076539 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211076778 The fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.]]> 2017-11-28 18:23:01 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211076778 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211076916 Each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons, and that can be represented as a wave function.]]> 2017-11-28 18:23:14 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211076916 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211077158 In chemistry and atomic physics, the electron affinity of an atom or molecule is defined as the amount of energy released or spent when an electron is added to a neutral atom or molecule in the gaseous state to form a negative ion.]]> 2017-11-28 18:23:36 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211077158 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211077452 a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.]]> 2017-11-28 18:24:05 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211077452 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211077671 Each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e., the number of protons in the nuclei of its atoms.]]> 2017-11-28 18:24:29 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211077671 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211077862  thing that is composed of two or more separate elements; a mixture.]]> 2017-11-28 18:24:48 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211077862 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211078600 A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.]]> 2017-11-28 18:26:00 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211078600 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211078756 A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g., iron, gold, silver, copper, and aluminum, and alloys such as brass and steel).]]> 2017-11-28 18:26:15 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211078756 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211078824 An element or substance that is not a metal.]]> 2017-11-28 18:26:22 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211078824 304816 https://padlet.com/304816/nnbxigcsqidb/wish/211081585  stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.]]> 2017-11-28 18:30:29 UTC https://padlet.com/304816/nnbxigcsqidb/wish/211081585