atoms by Starlene Mendoza https://padlet.com/3099941/69zj7gaezy6n en-us 2017-11-27 20:23:55 UTC 2017-11-27 20:38:09 UTC hello@padlet.com atom 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210645871 the basic unit of a chemical element.
]]> 2017-11-27 20:24:33 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210645871 electrons 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210646168 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 20:25:11 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210646168 neutrons 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210646940 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.
]]> 2017-11-27 20:26:50 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210646940 electron cloud 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210647368

 : the system of electrons surrounding the nucleus of an atom.
]]> 2017-11-27 20:27:47 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210647368 atomic theory 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210648005 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.
]]> 2017-11-27 20:29:15 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210648005 energy level 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210648380 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 20:30:04 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210648380 orbitals 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210648900 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 20:31:16 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210648900 electron affinity 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210649216 In chemistry and atomic physics, the electron affinityof 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 20:31:56 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210649216 periodic table 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210649727 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.
]]> 2017-11-27 20:33:04 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210649727 elements 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210650244 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.
]]> 2017-11-27 20:34:12 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210650244 compounds 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210650625 a thing that is composed of two or more separate elements; a mixture.
]]> 2017-11-27 20:34:57 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210650625 molecules 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210650960 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 20:35:42 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210650960 metals 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210651444
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).
]]> 2017-11-27 20:36:49 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210651444 non metals 3099941 https://padlet.com/3099941/69zj7gaezy6n/wish/210651763 an element or substance that is not a metal.
]]> 2017-11-27 20:37:31 UTC https://padlet.com/3099941/69zj7gaezy6n/wish/210651763