Exam- Physical Properties/Rock Types Flashcards
A substance that cannot be broken down by chemical means is
Element
The smallest part of an Adam that has all the properties of that element is called
Atom
A substance that made of two or more elements chemically combined is
Compound
Metamorphic rocks form from
Heat and pressure
Volcanic rocks are
Igneous
Rocks are
Mixtures
Rocks that are composed of small rock particles that have been compacted and cemented together are
Clastic
Which two elements are by far the most common in the earths crust
Oxygen and silicon
The most common mineral group would be
Silicate
When a mineral breaks along uneven surfaces
Fracture
A minerals resistant to being scratched
Hardness
Color left by a minerals powder
Streak
The way a mineral shined or reflects light
Luster
When a mineral breaks along smooth flat surfaces
Cleavage
Mixture of minerals
Rock
A solid substance with a definite shape
Crystal
Smallest part of an element
Atom
Same as number of protons identifies element
Atomic number
Atom with an equal number of protons and electrons
Ion
When protons equal electrons
Neutral atom
Positively charged particle
Proton
Protons plus neutrons
Atomic mass
Substance that has two or more elements chemically combined
Compound
Negatively charged particle
Electron
