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Minerals 01

Across
A group of atoms held together by chemical bonds
an element that loses electrons easily to form positive ions
a substance that contains atoms of two or more elements that are chemically combined.
The ration of the weight of a substance to the weight of an equal volume water; property used to identify minerals
a mineral consisting of a metal element combined with sulfur
a non silicate mineral that has its major building block one carbon atom covalently bonded to three oxygen atoms
a mineral consisting of a metal element combined with oxygen
Down
atoms that have lost or gained additional electrons and therefore have become either positively or negatively charged
a substance composed of atoms that are chemically alike and cannot be broken into simpler parts by ordinary chemical or physical means
the number of protons in the nucleus of an atom
the property of mineral that describes its color in powdered form.
any mineral that has its building block a tetrahedron of silicon and oxygen