https://padlet.com/3039411/jx212egjqdch en-us 2017-11-27 16:47:33 UTC 2026-01-26 06:09:17 UTC hello@padlet.com 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210511901 Atoms are the basic unit of a chemical life. It has a positive charge, a set of electrons, and a nucleus. ]]> 2017-11-27 16:48:41 UTC https://padlet.com/3039411/jx212egjqdch/wish/210511901 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210511979 Electrons are a stable particle occurring in all atomic nuclei, with a positive charge equal in magnitude to that of an electron, but of opposite sign.]]> 2017-11-27 16:48:47 UTC https://padlet.com/3039411/jx212egjqdch/wish/210511979 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210512024 Protons are a stable particle occurring in all atomic nuclei, with a positive charge equal in magnitude to that of an electron.]]> 2017-11-27 16:48:51 UTC https://padlet.com/3039411/jx212egjqdch/wish/210512024 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210512104 Neutrons 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 16:49:00 UTC https://padlet.com/3039411/jx212egjqdch/wish/210512104 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210512301 Electron Cloud is the system of electrons surrounding the nucleus of an atom.]]> 2017-11-27 16:49:22 UTC https://padlet.com/3039411/jx212egjqdch/wish/210512301 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210517564 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 16:57:28 UTC https://padlet.com/3039411/jx212egjqdch/wish/210517564 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210519003 Energy Levels are the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.]]> 2017-11-27 16:59:56 UTC https://padlet.com/3039411/jx212egjqdch/wish/210519003 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210519067 Orbitals are  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.

]]> 2017-11-27 17:00:02 UTC https://padlet.com/3039411/jx212egjqdch/wish/210519067 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210519151  The electron affinity of an atom or molecule is defined as the amount of energy released when an electron is added to a neutral atom or molecule in the gas state.]]> 2017-11-27 17:00:10 UTC https://padlet.com/3039411/jx212egjqdch/wish/210519151 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210519219 The Periodic Table is a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure appear in vertical columns.]]> 2017-11-27 17:00:19 UTC https://padlet.com/3039411/jx212egjqdch/wish/210519219 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210519306 Elements are each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. ]]> 2017-11-27 17:00:28 UTC https://padlet.com/3039411/jx212egjqdch/wish/210519306 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210519398 Compounds are a substance formed from two or more elements chemically united in fixed proportions.]]> 2017-11-27 17:00:35 UTC https://padlet.com/3039411/jx212egjqdch/wish/210519398 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210519489 Molecules are a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.]]> 2017-11-27 17:00:42 UTC https://padlet.com/3039411/jx212egjqdch/wish/210519489 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210519555 Metals are a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity.]]> 2017-11-27 17:00:49 UTC https://padlet.com/3039411/jx212egjqdch/wish/210519555 3039411 https://padlet.com/3039411/jx212egjqdch/wish/210520643 Non-metals are an element or substance that does not contain any metal.]]> 2017-11-27 17:02:40 UTC https://padlet.com/3039411/jx212egjqdch/wish/210520643