Chemistry, 05.09.2020 07:01 kelchalyssa
PLEASE HELP ME FINISH THIS CHART Mineral Identification Practice *** USE YOUR MINERAL CHARTS TO IDENTIFY THE FOLLOWING MINERALS *** ID charts can be found on the Google Classroom/Website, if needed. 1. Large, metallic sample. Gold, white gold color. Hardness between 2 ½ and 3. Gold streak. Color may vary with impurities. May be extended or shaped by hammering. 2. Pearly luster. White or pale green in color. Has a soft and soapy feel. Hardness of 1. Impurities might increase hardness. 3. Colorless or pastel salmon color. Sample is able to easily dissolve in water. Cubic cleavage. Hardness of 2 ½ . 4. A vitreous mineral that will not scratch glass. It has a hardness of 5 and is found in several colors including green and yellow. 5. Can be a variety of colors. hardness is 7 ½ - 8. Luster is vitreous. Pale blue variety is aquamarine. Chromium green variety is emerald. 6. A brass-yellow mineral that leaves a black streak. Often referred to as “fool’s gold” and has a hardness of 6. 7. Black mineral that has a metallic luster. Has a hardness of 5-6 and is known for being magnetic. 8. A toxic mineral that leaves a scarlet streak and has a hardness less than 3. Also known for its cinnamon red color. 9. A soft metallic mineral that is capable of marking paper. Has a bluish-gray color and a greenish-gray streak. 10. A yellow mineral with resinous luster, hardness of 1.5-2.5 and used in medicines. 11. Rose colored sample. Grey black streak. Hardness of 3, very brittle. 12. White color. No cleavage. Probably has a glassy luster. Scratched by a fingernail. 13. Non metallic luster that appears glassy. Multiple colors, hardness of 7.5-8. Used to make glass. 14. Hardness of 6.5-7, glassy luster, white streak. Found in volcanic rock and used as a gem. 15.Hardness of 2.5-3, metallic luster, silver to gray streak, fracture. Used in coins, electrical wires and jewelry.
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Chemistry, 22.06.2019 02:30
24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.
Answers: 1
Chemistry, 22.06.2019 21:00
What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
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Chemistry, 22.06.2019 21:50
28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action
Answers: 1
PLEASE HELP ME FINISH THIS CHART Mineral Identification Practice *** USE YOUR MINERAL CHARTS TO IDEN...
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