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Ch. 2 The Chemistry of Life
... - __________ solutions have __________ concentration of ____ ions than pure _________ & have ____ values _____________ - The _____________ the concentration of ____ ions, the ___________ the ____ number - Base – a _____________ that produces _____________ ions in solution - _________, or alkaline, s ...
... - __________ solutions have __________ concentration of ____ ions than pure _________ & have ____ values _____________ - The _____________ the concentration of ____ ions, the ___________ the ____ number - Base – a _____________ that produces _____________ ions in solution - _________, or alkaline, s ...
WS on obj. 1-11
... 30. _____________________________________ are neutral groups of atoms that act as a unit. 31. _____ (T/F) Molecular formulas show the number and kinds of atoms present in an ionic compound. 32. _____ (T/F)Molecular compounds are composed of a metal and a nonmetal. 33. Identify the following substanc ...
... 30. _____________________________________ are neutral groups of atoms that act as a unit. 31. _____ (T/F) Molecular formulas show the number and kinds of atoms present in an ionic compound. 32. _____ (T/F)Molecular compounds are composed of a metal and a nonmetal. 33. Identify the following substanc ...
AP Chemistry
... B. Ionic Compounds with Transition Metals These are named like simple binary compounds, but a Roman numeral representing the charge of the transition metal is used. Example: FeCl2 The iron in this compound has a +2 charge, so the compound is named iron II ...
... B. Ionic Compounds with Transition Metals These are named like simple binary compounds, but a Roman numeral representing the charge of the transition metal is used. Example: FeCl2 The iron in this compound has a +2 charge, so the compound is named iron II ...
Stoichiometry and Balanced Reactions Chemical Accounting
... (dozens, hundreds, millions…and more – In the laboratory, it is more practical to do things in terms of mass or volume, which are easy to measure. • How might we translate from one to the other? • Mass of an atom (atomic mass) depends on atom’s composition ...
... (dozens, hundreds, millions…and more – In the laboratory, it is more practical to do things in terms of mass or volume, which are easy to measure. • How might we translate from one to the other? • Mass of an atom (atomic mass) depends on atom’s composition ...
Preview Sample 1
... 1. List several differences between ionic and covalent bonds. Ionic bonds occur when ions of opposite charge are mutually attracted. Acids and bases are examples of ionic compounds. Covalent bonds are strong chemical bonds that occur when atoms share electrons. Methane and sugar are examples of cova ...
... 1. List several differences between ionic and covalent bonds. Ionic bonds occur when ions of opposite charge are mutually attracted. Acids and bases are examples of ionic compounds. Covalent bonds are strong chemical bonds that occur when atoms share electrons. Methane and sugar are examples of cova ...
8th Grade: First Semester Final Review
... the atomic number 34, and has a mass of 78.96. The element to the right will have the atomic number of 35, and the mass will be higher than the mass of selenium. 10. Covalent—nonmetal atoms to nonmetal atoms; Ionic—nonmetal ions to metal ions; Metallic—metal atoms to metal atoms 11. The columns are ...
... the atomic number 34, and has a mass of 78.96. The element to the right will have the atomic number of 35, and the mass will be higher than the mass of selenium. 10. Covalent—nonmetal atoms to nonmetal atoms; Ionic—nonmetal ions to metal ions; Metallic—metal atoms to metal atoms 11. The columns are ...
Unit 2 (Biochemistry) Review
... You should be able to recognize the formula for water, a molecule of water, and be able to explain how the arrangement of a water molecule makes it polar. This is only a brief review of the topics that we have covered within this unit. You should also use your notes, homework sheets, labs, and noteb ...
... You should be able to recognize the formula for water, a molecule of water, and be able to explain how the arrangement of a water molecule makes it polar. This is only a brief review of the topics that we have covered within this unit. You should also use your notes, homework sheets, labs, and noteb ...
Final Exam Chemistry B2A Mr. Kimball`s Class 2003
... 22. Which of the following is FALSE regarding an electron? a) has a relative charge of -1 b) is abbreviated ec) has a mass of approximately 1 amu d) exists outside the nucleus e) exists in energy levels 23. Which of the following is FALSE regarding the nucleus of an atom? a) a small, low density reg ...
... 22. Which of the following is FALSE regarding an electron? a) has a relative charge of -1 b) is abbreviated ec) has a mass of approximately 1 amu d) exists outside the nucleus e) exists in energy levels 23. Which of the following is FALSE regarding the nucleus of an atom? a) a small, low density reg ...
Please use your NUMERICAL RESPONSE SHEET to answer the
... Alex made a copper (II) sulfate solution by mixing copper (II) sulfate crystals with water. This copper (II) sulfate solution is written as a. CuSO4 (g). b. Cu2SO4 (l). c. Cu2SO4 (s). d. CuSO4 (aq). ...
... Alex made a copper (II) sulfate solution by mixing copper (II) sulfate crystals with water. This copper (II) sulfate solution is written as a. CuSO4 (g). b. Cu2SO4 (l). c. Cu2SO4 (s). d. CuSO4 (aq). ...
Semester 1 Final Review Powerpoint
... atoms. The properties of this rearrangement are different than the original reagents. (EX: Carbon (a solid) is burned in O2 and results in a gas! These two carbon compounds have very different ...
... atoms. The properties of this rearrangement are different than the original reagents. (EX: Carbon (a solid) is burned in O2 and results in a gas! These two carbon compounds have very different ...
Final exam 2007
... City College, Chemistry Department Chemistry 10301, sections T, T2, Τ3. Prof. T. Lazaridis Final exam, Dec 20, 2007 Name (last name first): _____________________________________________ I.D. Number last 4: _________________________________________________ Note: There are 18 questions in this exam. F ...
... City College, Chemistry Department Chemistry 10301, sections T, T2, Τ3. Prof. T. Lazaridis Final exam, Dec 20, 2007 Name (last name first): _____________________________________________ I.D. Number last 4: _________________________________________________ Note: There are 18 questions in this exam. F ...
Organic Naming Notes
... - This field of chemistry is very important because all living things and many non-living material are organic ...
... - This field of chemistry is very important because all living things and many non-living material are organic ...
THE CHEMICAL BASIS OF LIFE
... a. The number of electrons in the outer shell of calcium is ______________. b. The number of electrons in the outer shell of chlorine is ______________. c. In a chemical reaction between these two atoms, ______________ calcium atom(s) will react with ______________ chlorine atom(s). d. Which element ...
... a. The number of electrons in the outer shell of calcium is ______________. b. The number of electrons in the outer shell of chlorine is ______________. c. In a chemical reaction between these two atoms, ______________ calcium atom(s) will react with ______________ chlorine atom(s). d. Which element ...
Science Olympiad
... ______ 5. In the lanthanide elements, which orbitals are only partially filled? (A) 5s and 4d (B) 5d and 4f (C) 6s and 5d (D) 6p and 5f (E) 4f only ______ 6. Ions with the electronic structure 1s2 2s2 2p6 3s2 3p6 would not be present in which aqueous solution? (A) NaF(aq) (B) NaCl(aq) (C) KBr(aq) ( ...
... ______ 5. In the lanthanide elements, which orbitals are only partially filled? (A) 5s and 4d (B) 5d and 4f (C) 6s and 5d (D) 6p and 5f (E) 4f only ______ 6. Ions with the electronic structure 1s2 2s2 2p6 3s2 3p6 would not be present in which aqueous solution? (A) NaF(aq) (B) NaCl(aq) (C) KBr(aq) ( ...
H 2 and H 2 + O 2 g H 2 O and H 2 O Hydrogen + Oxygen g Water
... the first one has been done for you. Then can you name the elements or compounds? O2 – 2 Oxygen atoms joined together Cl2 N2 HCl NO2 CO2 CH4 MgO CuO CuSO4 CaCO4 ...
... the first one has been done for you. Then can you name the elements or compounds? O2 – 2 Oxygen atoms joined together Cl2 N2 HCl NO2 CO2 CH4 MgO CuO CuSO4 CaCO4 ...
Unit 14-Chemical Reactions
... carbon reacts with oxygen to yield carbon dioxide. The chemical equation for this reaction, C + O2 CO2 contains the same information as the English sentence but has quantitative meaning as well. ...
... carbon reacts with oxygen to yield carbon dioxide. The chemical equation for this reaction, C + O2 CO2 contains the same information as the English sentence but has quantitative meaning as well. ...
Topic 5 Reacting masses and chemical equations notes
... hydrogen + chlorine hydrogen chloride carbon + oxygen carbon dioxide ...
... hydrogen + chlorine hydrogen chloride carbon + oxygen carbon dioxide ...
Name: Date: Chemistry 1 – Midterm Review Sheet Unit 1 – Scientific
... e. none of these 4. The electron configuration for the carbon atom is a. 1s 22s 22p 2 b. [He] 2s 4 c. [Ne] 2s 22p 2 d. 1s 22p 4 e. none of these 5. When moving down a group (family) in the periodic table, the number of valence electrons a. remains constant b. increases by 2 then 8 then 18 then 32 c. ...
... e. none of these 4. The electron configuration for the carbon atom is a. 1s 22s 22p 2 b. [He] 2s 4 c. [Ne] 2s 22p 2 d. 1s 22p 4 e. none of these 5. When moving down a group (family) in the periodic table, the number of valence electrons a. remains constant b. increases by 2 then 8 then 18 then 32 c. ...
What Are Compounds? - Parma School District
... as useful “bookkeeping” devices to help keep track of electrons. ...
... as useful “bookkeeping” devices to help keep track of electrons. ...
Balancing Chemical Reactions
... 1.) In reactions dealing solely with ions, one can leave the polyatomic ions as groups for ease of balancing. 2.) In reactions dealing with only ions and water, water can be considered as a combination of a hydrogen ion and hydroxide ion. 3.) If given a reaction with polyatomic ions that are broken ...
... 1.) In reactions dealing solely with ions, one can leave the polyatomic ions as groups for ease of balancing. 2.) In reactions dealing with only ions and water, water can be considered as a combination of a hydrogen ion and hydroxide ion. 3.) If given a reaction with polyatomic ions that are broken ...
Unit 10: Chemical Reactions
... Using the equation from question #20, determine how many moles of O2 are needed to completely react with 7.0 moles of C3H8. _____22. Given the number of moles of one of the reactants or products, I can determine the number of moles of another reactant or product that is needed to completely use up t ...
... Using the equation from question #20, determine how many moles of O2 are needed to completely react with 7.0 moles of C3H8. _____22. Given the number of moles of one of the reactants or products, I can determine the number of moles of another reactant or product that is needed to completely use up t ...
Classification of
... 2 other elements in this same group: Ne, Ar, Kr, Xe, Rn, Uuo b) Li (Lithium) - Group __1__ What is special about this group: ____most reactive____ 2 other elements in this same group: _H, Na, K, Rb, Cs, Fr________ 8. Examine the pictures of substances shown below. Label each substance as an element, ...
... 2 other elements in this same group: Ne, Ar, Kr, Xe, Rn, Uuo b) Li (Lithium) - Group __1__ What is special about this group: ____most reactive____ 2 other elements in this same group: _H, Na, K, Rb, Cs, Fr________ 8. Examine the pictures of substances shown below. Label each substance as an element, ...
Balancing Equations
... way to balance O with a whole number, double all the coefficients and try again. (Because O is diatomic as an element) (Shortcut) Polyatomic ions that appear on both sides of the equation should be balanced as independent units ...
... way to balance O with a whole number, double all the coefficients and try again. (Because O is diatomic as an element) (Shortcut) Polyatomic ions that appear on both sides of the equation should be balanced as independent units ...