1. An Non-metallic mineral is not see-through. 2. A mineral is a little see-through. 3. A transparent mineral is see-through. 4. Luster is the way that a mineral reflects light. 5. translucent minerals look and shines like metal. 6. Metallic minerals are dull and earthy; not shiny. 7. A streak test shows the true color of a mineral.

Q: 8. Give an example of a stress concentration in a metal part.

A: Stress concentration refers to the phenomenon where stress is amplified in certain areas of a…

Q: What physical properties, other than specific heat, could you use to help you identify the metal…

A:

Q: Briefly describe how malleability and ductility of metalsare explained by metallic bonding.

A: Metallic bond =  It is a type of bond formed between positively charged atoms. In these bonds,…

Q: Which of the following is true of alloys? A. They can only be composed of metals. B. They must be…

A: An alloy is a combination of a metal with at least one other metal or nonmetal . Alloy is…

Q: Classify each property according to whether it is displayed by metals or by nonmetals. Properties of…

A:

Q: Choose an example of polymorphs. a.graphite and graphine b.diamond and adamant c.pyrite and gold…

A: Polymorphism is the ability of a substance to crystallize into different crystalline forms. These…

Q: Match each statement in the left column of the table below with a compound on the right. In your…

A: Different elements combined to form different compounds. These are compounds are held together by…

Q: explain metallic bonding using calcium as an example

A: Since metals have very high tendency to donate electrons. Hence the electrons are present freely in…

Q: Out of zinc and tin whose coating is better to protect iron objects?

A: Given,  Out of zinc and tin whose coating is better to protect iron objects.

Q: 12. List what each of the following ores is used for: a. Manganese b. Lead c. Tungsten d. Titanium…

A: An ore is a naturally occurring rock or mineral from which a valuable substance or metal can be…

Q: which type of model best represents crystals.A space-fill B ribbon C ball and stick D lewis dot

A: Crystals are the highly arranged or ordered structure (microscopic) which forms a crystal lattice.

Q: Which is a zinc ore and is used in paints, sunscreen and coins? A. Anhydrite B. Bauxite C.…

A:

Q: The weight percent of silicon in six different rock samples, each containing different amounts of…

A: The expression for determining tcalc is given below,                     where,

Q: Ceramics bear the properties of O high melting and boiling point O hard chemically unreactive all of…

A: We have to select the correct option about properties of Ceramic

Q: Glass, quartz, and cristobalite have the same chemical formula, SiO2. Given the XRD diffractograms…

A: XRD diffraction is X-Ray diffraction used for studying the crystalline structure of the materials.…