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Elements

Across
An element that is not metal.
A solid material that is usually hard, bright, malleable, meltable and ductile, with good electrical and thermal conductivity.
Two or more atoms joined together by forces called chemical bonds.
The smallest part of an element
Down
An element whose properties are intermediate between those of metals and non-metals or semiconductors.
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
Substance that cannot be broken apart into other substances.
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