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Atomic Structure (Phy Sci)

Physical Science 10th grade
Name: _______________________
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Across
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the abbreviation used to represent a given element on the periodic table
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substances that are made up of only one kind of particle and have a fixed or constant structure
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a mixture in which the composition is uniform throughout the mixture
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element that shares some properties with metals and some with nonmetals
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any of the set of metallic elements occupying a central block
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a mixture in which the composition is not uniform throughout the mixture
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any of the six chemical elements that comprise Group 2 (IIa) of the periodic table
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Electrically neutral particle inside the nucleus of an atom
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an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
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the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all of its mass
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any of the six chemical elements that make up Group 1 (Ia) of the periodic table
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The Bohr Model has an atom consisting of a small, positively charged nucleus orbited by negatively charged electrons
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a stable subatomic particle with a charge of negative energy
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The smallest particle of an element that still retains the properties of the element
Down
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diagrams that show the bonding between atoms of a molecule, as well as the lone pairs of electrons that may exist in the molecule
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represents the rows on the periodic table
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a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction
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a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron
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Atom of an element that has a specific number of neutrons
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A mixture is a substance which consists of two or more elements or compounds not chemically combined together
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any discrete value from a set of values of total energy for a subatomic particle confined by a force to a limited space or for a system of such particles
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noble gas
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It is approximately equivalent to the number of protons and neutrons in the atom
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quantitative measure of inertia, a fundamental property of all matter
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is a system of electrons surrounding the nucleus of an atom
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a group of 6 toxic, non-metal elements on the periodic table
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a tabular display of the chemical elements
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a single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom
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the number of protons in an atom’s nucleus
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an element that is not metal located on the right hand side of the periodic table
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an atom with a net-zero charge
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any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light
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a column of elements in the periodic table of the chemical elements