Quiz Questions Flashcards
In Moh’s hardness scale, the minerals that are ionically bonded tend to have weak bonds, and are thus not as hard as covalent bonded minerals. Therefore, on Moh’s hardness cale, they would have:
lower numbers
All but which on of the following is a characteristic of a mineral?
naturally occurring solid
regular crystalline arrangement
organic (false)
fixed chemical composition
Outer shells of electrons are considered :filled” when the number is?
8
the two most common elements in the earth’s crust are:
oxygen and silicon
the silica tetrahedron has how many electrons in its outermost shell?
4
silicate groups containing abundant iron minerals would be classified as:
ferromagnesian
the tendency of minerals to break along flat planar surfaces is called:
cleavage
the best way to differentiate one element from another is by the number of
protons in the nucleus (atomic number)
which of the following is NOT one of the basic mineral resource types?
minerals fo food (false)
minerals for chemicals industries
minerals for building
minerals for metal production
the example of pennies switching from copper to zinc is an example of
finding a substitute
goal #1 for modern societies is
maintaining adequate reserves
an aggregate of one or more minerals is
a rock
all but which of the following have been proposed as solutions for the problem of maintaining adequate reserves?
using more of the resource
the concentration of a given mineral that can be extracted for profit is called
resource
the mineral property that measures how light reflects off of the mineral is called
luster
