Only Eight Elements-Oxygen, Silicon, Aluminum, Iron, Calcium, Magnesium, Potassium, and Sodium-Make
Only eight elements-oxygen, silicon, aluminum, iron, calcium, magnesium, potassium, and sodium-make up more than 98 percent of the Earth's crust.
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Q47: It is not necessary for a substance
Q48: Ice is a mineral.
Q49: Synthetic diamond is a mineral.
Q50: An element cannot be broken into smaller
Q51: Halite (table salt) is composed of sodium
Q53: Quartz consists of silicon and calcium.
Q54: Only atoms with a positive charge are
Q55: A substance in which atoms are arranged
Q56: Cleavage is the tendency of some minerals
Q57: Fracture is the resistance of a mineral
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