https://padlet.com/21lillieg327/z4ch21n19t1l en-us 2017-02-01 16:38:06 UTC 2025-09-26 17:47:20 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Planets.png 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150895490 atoms as a source of nuclear energy]]> 2017-02-01 16:42:59 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150895490 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150896248 the central and most important part of an object, movement, or group, forming the basis for its activity and growth.]]> 2017-02-01 16:44:49 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150896248 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150956735 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.]]> 2017-02-01 19:11:38 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150956735 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150958120 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.]]> 2017-02-01 19:14:46 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150958120 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150958597 A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids]]> 2017-02-01 19:16:01 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150958597 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150958853 The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table]]> 2017-02-01 19:16:39 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150958853 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150959413 The total number of protons and neutrons in a nucleus]]> 2017-02-01 19:18:00 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150959413 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150959842 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.]]> 2017-02-01 19:19:19 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150959842 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150960465 an abbreviation or short representation of a chemical element; the symbols in the periodic table. Natural elements all have chemical symbols of one or two letters; some man-made elements have three-letter symbols.]]> 2017-02-01 19:21:07 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150960465 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150961102 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]]> 2017-02-01 19:22:33 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150961102 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150962247 a length or portion of time.]]> 2017-02-01 19:25:20 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150962247 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150962490 In Chemistry, family refers to a group of elements with similar chemical properties. Chemical families tend to be associated with the vertical columns on the periodic table. Also Known As: Groups. Examples: Group 18 on the periodic table is also known as the noble gas family.]]> 2017-02-01 19:25:55 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150962490 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150962851 Asolid 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).]]> 2017-02-01 19:26:50 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150962851 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150963672 The state or power of being reactive or the degree to which a thing is reactive]]> 2017-02-01 19:28:48 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150963672 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150964035  group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction]]> 2017-02-01 19:29:43 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150964035 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150964270 an attribute, quality, or characteristic of something.]]> 2017-02-01 19:30:18 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150964270 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150964839 An element or substance that is not a metal]]> 2017-02-01 19:31:51 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150964839 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150965063 an element whose properties are intermediate between those of metals and solid nonmetals. They are electrical semiconductors.]]> 2017-02-01 19:32:25 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150965063 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150965577 A thin coating containing unoxidized metal that gives an iridescent glaze to ceramics.]]> 2017-02-01 19:33:56 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150965577 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150966018 Able to be hammered or pressed permanently out of shape without breaking or cracking]]> 2017-02-01 19:35:18 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150966018 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150966424 able to be drawn out into a thin wire.]]> 2017-02-01 19:36:33 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150966424 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150966562 the degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field that causes the flow of current. It is the reciprocal of the resistivity.]]> 2017-02-01 19:36:59 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150966562 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150967936  physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects]]> 2017-02-01 19:40:17 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150967936 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150968264 The process of corroding metal, stone, or other materials]]> 2017-02-01 19:41:33 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150968264 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150968439 Point out; show]]> 2017-02-01 19:42:07 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150968439 21lillieg327 https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150968607 single; separate]]> 2017-02-01 19:42:40 UTC https://padlet.com/21lillieg327/z4ch21n19t1l/wish/150968607