review
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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| Name the compound P2O5 in written form. | diphosphorus pentoxide
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| A reversible reaction has what symbol? | -------->
<------- where one arrow points left and the other is right and they are stacked onto each other
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| The notation used indicates the substance is dissolved in water? | (aq)
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| The first element listed in the formula of a binary acid is always? | hydrogen
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| Hydrogen , oxygen and another nonmetal for this acid. | ternary
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| Which halogen always has an oxidation number of -1 due to its high electronegativity? | flourine
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| Standrdized set of rules for naming something | nomenclature
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| If solid falls out of solution during a reaction it is called | a precipitate
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| Formula for tin (II) oxide | SnO
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| formula for tin(IV) oxide | SnO2
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| Sum of oxidation numbers in a compound should equal | 0 (zero)
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| Geometric shape of ozone | bent
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| Which two molecular shapes must always be polar? | bent and pyramidal
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| electrons shared in a covalent bond are called what? | bonding pair
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| Only metal that is a liquid at room temperature? | mercury (Hg)
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| Element symbol for copper | Cu
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| yield symbol for chemical equations? | --------->
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| oxidation number for Cu in CuSO4? | +2
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| A hydrate compound contains water molecules with this type of structure? | crystalline
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| Penta in the Greek prefix means? | 5
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| The Stock system used to name ionic compounds containing metal with multiple oxidation states uses? | Roman numerals
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| Oxyanion is? | oxygen and one other element
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| Molecule not linear in shape , an example? | GeF2
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| VSEPR theory says a three-atom molecule are sometimes what? | linear
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| Two=atom molecules according to VSEPR are always what? | linear
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| What shape is HCN? | linear
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| Polar compound example | NH3
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| Most metals have low electron affinities so they are most likely to do what? | share electrons freely when bonding to each other
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| Examples of a covalent molecule include: | F2, CO, and NH3
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| When oxygen and sodium bond, what type of bond would you expect? | ionic bond
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| Copper, nickel, zinc and potassium are examples of what? | metals
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| The chemist who devised the electrongativity scale? | Pauling
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| Z is equal to what in an atom? | protons
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| Sublevel d holds how many electrons? | 10
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| Biochemistry is the study of chemical processes in what type of organisms? | living things
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| Workability is the goal of what? | science
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| Organic chemistry is the branch that studies primarily compounds containing this______. | carbon
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| what is orbital notation for Bromine using the diagnal rule? | Br: [Ar] 01 01 01 01 01 (3d) shell 01 (4s) shell 01 01 0 (4p) shell
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| VSEPR stands for what? | valence shell electron pair repulsion theory
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| Lewis structure for CH4 and its shape is? | C in middle with 4 H around, shape tetrahedral
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| convert 450 cm to mm | 4.5x10 3rd
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| How many protons, electrons and neutrons are in 59/27 Co with a 2+ oxidation number? | 52 protons, 32 neutrons and 25 electrons
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| How many significant digits in 0.037010? | 5
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| Hydrogen has an electron configuration of? | 1S
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| Partial charge has symbols which look like what? | o with a negative sign about them and indicated - or + sign for the charge
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| Which element is the most reactive? | Flourine
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| In the Periodic table, what are these: F, Cl, Br, I, and At called? | Halogens
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| How many valence electrons does Neon have? | 8
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| How many valence electrons does Li have? | 1
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| On the periodic table, the small number listed under an element is called what? | atomic mass
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| What symbol indicates that heat must be supplied for a reaction will occur? | small triangle
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| MgSO4 is called? | Magnesium sulfate
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| Mg3CO3 x 5H2O is called? | Magnesium carbonate pentahydrate
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| CuCl2 is called? | cupric chloride
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| CuSO4 is called? | copper (II) sulfate
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| HClO2 is what type of compound? | ternary acid
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| HCl is what type of compound? | binary acid
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| CO is what type of compound? | binary covalent compound
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| N2S5 x 3 H2O is called what type of compound? | hydrate
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| Na2O4 is called what type of compound? | polyatomic ionic compound
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| When writing a binary ionic compound, what ending is used in the second name? | -ide
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| The oxidation number of oxygen is? | 2+
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| The criss cross method is good for what? | Setting up formulas for binary compounds
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| NO2 is NOT electrically what? | a neutral ion
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| The Greek system of prefixes is used to do what? | indicate how many atoms of each element are in a binary covalent compound
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| Who was the German chemist who found the system of naming compounds? | Stock
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| Name this: HCl (aq) | hydrochloric acid
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| Name this: N2 O3 | dinitrogen trioxide
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| Name this: H3 PO4 | phosphoric acid
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| Name this: HClO4 | perchloric acid
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| Name this: HBrO | hypobromous acid
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| What is the chemical formula for ammonium fluoride? | NH4F
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| What is the chemical formula for sodium phosphate? | Na3PO4
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| What is the chemical formula for carbon disulfide? | CS2
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| What is the name of the chemical KClO3? | potassium chlorate
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| What is the name of the chemical CaCl2? | calcium chloride
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| What is Avogadro's number? | 6.022 x 10 the 23rd
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| What is a mole? | 6.022 x 10 the 23rd of anything (atoms and molecules)
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| What is Avogadro's number equal to? | 12g of Carbon 12
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| Molar mass is calculated how? | by adding the mass of each element together
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