Which is the most probable reason for the difference between the properties of diamonds and graphite?

Why do diamond and graphite have such different physical properties quizlet?

Diamond and graphite are two minerals with the same chemical composition, but extremely different physical properties. Why is this? They have a different crystal structure. In both, carbon is joined by covalent bonds, but in graphite the carbon atoms form sheets that are weakly bonded together.

Which physical property would probably be the least useful in distinguishing the non metallic minerals from one another?

-Streak is the least useful property for identification, as the same mineral type can be found with several different colors of streak due to impurities in the mineral.

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Why is diamond so much more resistant to scratching than graphite?

In a diamond, the carbon atoms are arranged tetrahedrally. … This accounts for diamond’s hardness, extraordinary strength and durability and gives diamond a higher density than graphite (3.514 grams per cubic centimeter). Because of its tetrahedral structure, diamond also shows a great resistance to compression.

Which of the following is the most important characteristic used to identify minerals quizlet?

Hardness. The ability to resist being scratched—or hardness—is one of the most useful properties for identifying minerals. Hardness is determined by the ability of one mineral to scratch another. Federick Mohs, a German mineralogist, produced a hardness scale (table 5) using a set of ten standard minerals.

Why do diamond and graphite have different physical properties even though they are both comprised entirely of the element carbon?

– Covalent bonds are strong bonds between atoms. – Valence electrons are the electrons an atom can use to bond with other atoms. Most atoms need 8 to be stable. Carbon has four, and uses one per bond.

Why do diamond and graphite have different physical properties even though they are both composed entirely of the element carbon *?

Why do diamond and graphite have different physical properties, even though they are both composed entirely of the element carbon? … The minerals have different arrangements of carbon atoms.

Which statement best describes the difference between mineral cleavage and mineral fracture?

Mineral cleavage is the mineral’s tendency to break along flat, even planes, whereas mineral fracture is the mineral’s tendency to break into uneven surfaces.

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Why do different minerals have different shapes and colors?

Answer: Minerals may be one color in their purist form, but if they have any kind of impurities their color can change. … Cleavage and Fracture is the way the mineral breaks. …

Why is color not a reliable factor in identifying a mineral?

Using color alone to identify a mineral could lead to an inaccurate conclusion. The hardness of the mineral, luster, cleavage, fracture, how it reacts to an acid, and other traits can be used to identify what the mineral is.

What are the differences between diamond and graphite?

Explain the difference in properties of diamond and graphite on the basis of their structures.

1) It has a crystalline structure. 1) It has a layered structure.
2) It is made up of tetrahedral units. 2) It has a planar geometry.

How does diamond differ from graphite?

Graphite and diamond are two of the most interesting minerals. They are identical chemically – both are composed of carbon (C), but physically, they are very different. … Graphite is very soft and has a hardness of 1 to 2 on this scale. Diamonds are the hardest known natural substance and have a hardness of 10.

Why do diamond and graphite differ in physical properties?

It’s because the carbon atoms are rearranged in a specific geometric shape that gives the diamond its properties. … Graphite however, is when the carbon atoms bond together in sheets – hexagonal-like lattice. Graphite is formed from the carbon atoms resulting from the metamorphism of minerals such as marble, quartz, etc.

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Which characteristic is one of the three main characteristics used to classify igneous rocks?

What are the three major characteristics that geologists use to identify igneous rocks? Igneous rocks are classified according to their origin, texture, and mineral composition.

Which mineral property is probably responsible for the difference in roundness?

Speed of rounding will depend on composition, hardness and mineral cleavage. For example, a soft claystone pebble will obviously round much faster, and over a shorter distance of transport, than a more resistant quartz pebble. The rate of rounding is also affected by the grain size and energy conditions.

What is the most reliable method used to identify a mineral?

The physical properties of minerals are determined by the atomic structure and crystal chemistry of the minerals. The most common physical properties are crystal form, color, hardness, cleavage, and specific gravity. One of the best ways to identify a mineral is by examining its crystal form (external shape).