click below
click below
Normal Size Small Size show me how
ch.2 science
ch.2 science - Gunnet
Question | Answer |
---|---|
the number of of protons in the nucleus of an atom. | Atomic Number |
the tendency of a mineral to break along planes of weak bonding. | Cleavage |
a substance formed by the chemical combination of two or more elements in definite proportions and usually having properties different from those of its constituent elements | Compound |
mass per unit volume or a substance usually expressed as grams per cubic centimeter | Density |
a substance that cannot be broken down into simpler substance by ordinary chemical or physical means | Element |
any break or rupture in rock along which no appreciable movement has taken place. | Fracture |
the resistance a mineral offers to scratching | Hardness |
an atom or molecule that possesses an electrical charge | Ion |
an atom with the same number of protons but different number of neutrons for a given element; An isotopes mass number | Isotope |
the appearance or quality of light reflected from the surface of a mineral | Luster |
a naturally occurring inorganic crystalline material with a unique chemical composition | Mineral |
a series of 10 minerals used as a standard in determining hardness | Moh's Scale |
the color of a mineral in powdered form | Streak |