Chapter 7 Ionic bonds & Compounds
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| elements found in groups 1A-7A are called ___________ | show 🗑
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| show | valence electrons
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| The ________ of valence electrons determines the chemical properties of the element | show 🗑
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| To find the number of valence electrons in an atom, simply look at its ________________ | show 🗑
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| show | one
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| show | two
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| show | three
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| show | four
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| show | five
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| show | six
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| the elements in group 7A have ___ valence electron(s) | show 🗑
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| the elements in group 8A have ___ valence electron(s) | show 🗑
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| Valence electrons are usually the only electrons used in _____________ | show 🗑
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| show | Lewis Dot
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| Electron dot structures are diagrams that show the valence electrons represented by ______ arranged around the chemical symbol | show 🗑
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| _______, such as neon and argon, are unreactive… that is they are stable | show 🗑
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| In 1916, Gilbert Lewis used the idea that noble gases were unreactive to come up with the ___________ | show 🗑
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| show | eight
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| Recall that each noble gas has eight electrons in its highest energy level and a general electron configuration of _________ | show 🗑
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| Atoms of metallic elements tend to ___________ their electrons to get to the stable configuration of ns2 np6 | show 🗑
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| Atoms of some non-metallic elements tend to ________ (ionic bond) or _______ (covalent bond) electrons to achieve an octet | show 🗑
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| An atom starts ____________ because it has the same number of positive protons and negative electrons | show 🗑
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| An atoms loss of valence electrons produces a ________ or a positively charged ion | show 🗑
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| show | anion
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| show | two, +2
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| show | six, -2
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| show | unchanged
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| Naming of ions Anions: change the ending of the element name to _______ | show 🗑
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| Mixtures of two or more elements, one of which is a metal | show 🗑
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| common alloy mixing copper and tin | show 🗑
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| common alloy mixing iron and chromium | show 🗑
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| Metallic Bonds The valence electrons of a metal can be modeled as a _______… they are mobile and can drift freely from one part of the metal to another | show 🗑
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| show | ductile
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| Metals are ____________: able to be hammered or forced into shapes | show 🗑
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| The ___________ of an ion is the number of ions of opposite charge that surround an ion in a crystal | show 🗑
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| show | crystalline solids
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| Ionic compounds generally have ___________ melting points | show 🗑
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| Ionic compounds can conduct an ____________ when melted or dissolved in water | show 🗑
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| show | yellow solid
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| show | plumbous iodide
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| _______________ or plumbous iodide is a bright yellow solid at room temperature | show 🗑
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| Lead iodide is _________ due to its lead content. | show 🗑
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| In the nineteenth century Lead iodide was used as an artists' __________ under the name Iodine Yellow | show 🗑
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| show | lead(II) nitrate
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| show | sodium iodide
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| show | yellow precipitate
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| _____________ can be obtained as a yellow precipitate by reacting solutions of lead(II) nitrate and sodium iodide | show 🗑
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| show | chemical equation
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| show | cation
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| in chemical formulas, the ___________ goes after the ion it affects and tells how many of that ion is in that compound and only goes on the chemical formula (not the name) | show 🗑
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| A ______________ is the lowest whole-number ratio of ions in an ionic compound | show 🗑
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| show | opposite
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| Anions and cations have opposite charges and attract each other by means of ________________ forces | show 🗑
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| electrostatic forces are called ______________ | show 🗑
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| show | 1, +1, 7, -1 NaCl
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| NaCl is called _____________ | show 🗑
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| polyatomic ions are ions act as a single _______ with a charge over the whole ion | show 🗑
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| show | polyatomic, -2
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| show | sulfate
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| show | ammonium, +1
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| show | CO3, -2
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| Al+3 + 3Br-1 forms ___________ | show 🗑
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| show | magnesium chloride
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| : Mg+2 ionically bonds with Cl-1 and forms a compound called Magnesium Chloride; the formula unit ratio Magnesium to Chloride is 1:2, so the chemical formula is written __________ | show 🗑
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| show | 1:2
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| show | neutral
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| more polyatomic fun: write the formula and charge for the hydroxide ion | show 🗑
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| more polyatomic fun: write the formula and charge for the nitrate ion | show 🗑
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| write the compound name for Pb(NO3)2 | show 🗑
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| show | ammonium hydroxide
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| write the chemical formula for lead iodide | show 🗑
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| write the chemical formula for Iron(II)Oxide , Iron (III) Oxide | show 🗑
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