any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
structure of an atom
nucleus made up of protons and neutrons; the electrons make up the surrounding area
the center of the atom which contains the protons and neutrons; in cells, structure that contains the cell's genetic material (DNA) and controls the cell's activities
A table that shows the elements, their atomic number, symbol, and average atomic mass; elements with similar chemical properties are grouped together.
a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a negative ion
substances formed by the joining of elements through chemical bonding. every molecule of a compound is the same, cannot be seperated
elements in earth's crust
Oxygen (46%), Silicon (28%), Aluminum (8%), Iron (6%), Magnesium (4%), Calcium (2.4%), Other (5.6%)
molten rock, from solution, within living cells and by recrystallization.
Read more: http://wiki.answers.com/Q/How_are_minerals_formed#ixzz1MkNsEV5t
the arrangement of atoms, ions, or molecules in a regular way to form a crystal
Basic building block of silicate minerals, made up of four oxygen atoms and 1 silicon aton
Moh's hardness scale
a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals