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Elements

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Across
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An element that is not metal.
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A solid material that is usually hard, bright, malleable, meltable and ductile, with good electrical and thermal conductivity.
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Two or more atoms joined together by forces called chemical bonds.
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The smallest part of an element
Down
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An element whose properties are intermediate between those of metals and non-metals or semiconductors.
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The periodic table also has a special name for its vertical columns. Each column is called a group. The elements of each group have the same number of electrons in the external orbital. These external electrons are also called valence electrons
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Substance that cannot be broken apart into other substances.
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In each period (horizontal row), the atomic numbers increase from left to right. The periods are numbered from 1 to 7 on the left side of the table. The elements that are in the same period have chemical properties that are not so similar