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Vocabulary Choice Board

Across
Mass per unit volume of a substance
Atom with same number of protons and neutrons with but with different numbers of neutrons for a given element
External appearance of a mineral
Number of neutrons and protons in the nucleus of an atom
Substance formed by chemical combination of two or more element
Number of protons in the nucleus of an atom
Atom or molecule that possesses an electric charge
Forms when atoms share electrons
Appearance of light reflected from the surface of a mineral
The resistance a mineral has to scratching
Down
One of numerous minerals that the oxygen and silicon tetrahedron as basic structure
Any break of rupture found in rock
Naturally occurring crystalline material
Force that holds together atoms that form a compound
Distinct region around nucleus of an atom
Forms when electrons are shared by metal ions
Series of 10 minerals used as standard
Substance can't be broken down into simpler substances
Tendency of a mineral to break alone place of weak banding
Forms between negative and positive ions
Color of numerous mineral in powdered form