https://padlet.com/304007/ie87tmgu3r87 en-us 2017-11-27 19:37:47 UTC 2025-10-31 19:41:59 UTC hello@padlet.com 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210621141 the basic unit of a chemical element.

]]> 2017-11-27 19:40:01 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210621141 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210621204 a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.

]]> 2017-11-27 19:40:09 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210621204 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210621262 A proton is a subatomic particle, symbol p or p+ , with a positive electric charge of +1e elementary charge and mass slightly less than that of a neutron]]> 2017-11-27 19:40:16 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210621262 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210621435 The neutron is a subatomic particle, symbol n or n0 , with no net electric charge and a mass slightly larger than that of a proton. ]]> 2017-11-27 19:40:33 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210621435 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210621535 Electron Cloud Model is an informal term in physics. It is used to describe where electrons are when they go around the nucleus of an atom.]]> 2017-11-27 19:40:43 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210621535 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210621634 In chemistry and physics, atomic theory is a scientific theory of the nature of matter, which states that matter is composed of discrete units called atoms.]]> 2017-11-27 19:40:54 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210621634 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210621821 The energy spectrum of a system with such discrete energy levels is said to be quantized. ]]> 2017-11-27 19:41:14 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210621821 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210621884 in quantum mechanics, an atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom. ]]> 2017-11-27 19:41:22 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210621884 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210621998 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.

]]> 2017-11-27 19:41:32 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210621998 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210622315 The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number, electron configurations, and recurring chemical properties.]]> 2017-11-27 19:42:00 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210622315 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210622316 a part or aspect of something abstract, especially one that is essential or characteristic.]]> 2017-11-27 19:42:00 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210622316 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210622333 a thing that is composed of two or more separate elements; a mixture.]]> 2017-11-27 19:42:02 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210622333 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210622420 A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. ]]> 2017-11-27 19:42:11 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210622420 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210622504 A metal is a material that is typically hard, opaque, shiny, and has good electrical and thermal conductivity. ]]> 2017-11-27 19:42:21 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210622504 304007 https://padlet.com/304007/ie87tmgu3r87/wish/210622586 an element or substance that is not a metal.]]> 2017-11-27 19:42:30 UTC https://padlet.com/304007/ie87tmgu3r87/wish/210622586