Chemistry Mineral Quiz

Question 1 Solid materials that do not possess an orderly arrangement of atoms are called Correct! glasses minerals crystals polymorphs Question 2 Which of the following substances is not considered a mineral? Correct! coal diamond gypsum rock salt Question 3 Isotopes of a given element have the same number of protons and the same atomic mass Correct! the same number of protons but different atomic masses different numbers of protons but the same atomic mass different numbers of protons and different atomic masses Question 4 Which of the following subatomic particles has a positive charge? electron neutron Correct! proton all of the above Question 5 Sodium has an atomic number of 11. How many electrons will the sodium ion Na+ have? 1 Correct! 10 11 12 Question 6 Isotopes of an element have different numbers of electrons Correct! neutrons protons electrons, neutrons, and protons Question 7 What is the term for atoms of the same element that have different numbers of neutrons? electrons ions Correct! isotopes polymorphs Question 8 Carbon has an atomic number of 6 and an atomic mass of 12. This means that carbon atoms have six protons and 12 neutrons six neutrons and 12 protons six protons and a density of 12 grams per cubic centimeter Correct! six protons and six neutrons Question 9 The atomic mass of an element is equal to the number of protons Correct! protons plus neutrons neutrons protons plus neutrons plus electrons Question 10 What will be the charge of an atom containing eight protons, nine neutrons, and 10 electrons? Correct! -2 -1 +1 +2 Question 11 How are the elements organized in the periodic table? in order of increasing density in order of increasing number of electrons in order of increasing number of neutrons Correct! in order of increasing number of protons Question 12 What does the symbol Na+ represent? a sodium proton Correct! a sodium cation a sodium electron a sodium anion Question 13 In order to make a sodium (Na) chlorine (Cl) bond in NaCl, one electron is transferred from the chlorine atom to the sodium atom. Correct! one electron is transferred from the sodium atom to the chlorine atom. two electrons are transferred from the chlorine atom to the sodium atom. two electrons are transferred from the sodium atom to the chlorine atom. Question 14 Chemical substances that have exactly the same chemical formula but different crystal structures are called electrons ions isotopes Correct! polymorphs Question 15 The most common rock-forming minerals in the crust are carbonates oxides Correct! silicates sulfides Question 16 The two most common elements in Earth's crust are calcium and carbon iron and sulfur chlorine and sodium Correct! oxygen and silicon Question 17 Mica is a common example of a ________ silicate. framework single-chain double-chain Correct! sheet Question 18 _________ and __________ are examples of polymorphs. Quartz; feldspar Correct! Diamond; graphite Biotite; mica Pyroxene; amphibole Question 19 Which of the following minerals is a framework silicate? quartz orthoclase feldspar plagioclase feldspar Correct! They are all framework silicates Question 20 The silica tetrahedra readily bonds with cations when available because it has a net positive charge it is electrically neutral Correct! it has a net negative charge its internal bonds are very weak Question 21 Rocks that form from the solidification of molten rock are called metamorphic sedimentary Correct! igneous chemical Question 22 _________ is the most common mineral or mineral group in Earth's crust. Calcite Pyroxene Quartz Correct! Fe;dspar Question 23 _________ is the most common mineral or mineral group in the Earth as a whole. Pyroxene Garnet Correct! Perovskite Feldspar Question 24 As we go deeper in Earth and the pressure grows we encounter minerals with lower density higher silica content Correct! more compact crystal structures more open crystal structures Question 25 What is the most common type of bonding in minerals? covalent bonding Correct! ionic bonding metallic bonding nuclear bonding Question 26 What is the strongest type of bonding found in minerals? Correct! covalent bonding ionic bonding metallic bonding nuclear bonding