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MINERALS 04

Across
a substance composed of atoms that are chemically alike and cannot be broken into simpler parts by ordinary chemical or physical means
a solid substance in which the atoms or ions are arranged in an orderly pattern that repeats over and over again
a non silicate mineral that has its major building block one carbon atom covalently bonded to three oxygen atoms
an element hat gains electrons easily to form negative ions
the number of protons in the nucleus of an atom
The ratio of the weight of a substance to the weight of an equal volume water; property used to identify minerals
the property of a mineral that describes an irregular pattern of breakage in direction other than along cleavage planes
the smallest part of an element that has all the properties of that element
a substance that contains atoms of two or more elements that are chemically combined
the property of a mineral that describes the quality or appearance of light reflected from its surface
one of the three basic atomic particles, with mass slightly greater than that of a proton but no electrical charge
a positively charged particle in the nucleus of an atom
the property of mineral that describes its color in powdered form
Down
an element that loses electrons easily to form positive ions
a negatively charged particle that spins around the nucleus of an atom
the tendency of a mineral to split along planes of its crystalline structure where bonds are weakest
silica ------ a grouping of one silicon ion and four oxygen ions that forms the basic building block of silicates
a mineral consisting of a metal element combined with oxygen
a naturally occurring inorganic solid with distinct chemical composition and crystalline structure
a mineral consisting of a metal element combined with sulfur
any mineral that has its building block a tetrahedron of silicon and oxygen
A group of atoms held together by chemical bonds
the ratio between the mass and the volume of a substance
atoms that have lost or gained additional electrons and therefore have become either positively or negatively charged