CHEM- test 2 terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Cations | Positive Ions/Formed by losing electrons/more protons than electrons/only metals
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| Anions | Negative ions/formed by gaining electrons/usually non-metals
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| Monatomic Ions | Ions formed from a single atom/ -ide
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| Polyatomic Ions | Ions formed from two or more atoms/ -ate, -ite
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| Binary compounds | More than two elements
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| Nomenclature | Naming system of binary ionic compounds which involves combing the names of the compound's positive & negative ions/ cation followed by ion
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| Stock System of Nomenclature | Used to distinguish the ions formed by elements that form two or more cations with different charges/only used with cations
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| Oxoanions | polyatomic ions that contain oxygen
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| Molecular Compounds | composed of individual covalently bonded units or molecules
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| Oxyacids | acids that contain hydrogen, oxygen, and a third element
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| Binary acids | Acids that consist of two elements, usually hydrogen and another halogen
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| Hydrochloric acid | a water solution of the molecular compound hydrogen chloride, HCI
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| Salt | an ionic compound composed of a cation and the anion from an acid
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| Oxidation numbers | used to indicate the general distribution of electrons among the bonded atoms in a molecular compound or a polyatomic ion assigned to the atoms composing the compound or ion
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| Atoms | electrically neutral particles
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| Ions | different number of protons vs electrons (positive or negative charges)/ made by electrons moving
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| Group B Elements | many transition element have more than one possible oxidation state
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| Ionic Compound | compounds with metals
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| Covalent Compound | compounds formed of only non-metals
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| Molecular Mass | the mass of a molecule
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| Formula Mass | the sum of the average atomic masses of all atoms represented in the formula of any moleculy/formula unit/ion
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| Percentage Composition | the percentage by mass of each element in a compound is known as this compound
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| Empirical Formula | the smallest whole number ratio of atoms in a compound
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| Molecular Formula | (True formula) the actual number of atoms in a compound
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Created by:
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