Question 1. Phosgene was used during the World War - IQ
... Consider half-cell A and B, draw an electrochemical cell with spontaneous reaction (write the global equation) and calculate the cell potential. Furthermore, you need to indicate: the flow of electrons, cathode and anode. (b) Metallic copper (Cu0) can be dissolved by HNO3(conc) and it is observed th ...
... Consider half-cell A and B, draw an electrochemical cell with spontaneous reaction (write the global equation) and calculate the cell potential. Furthermore, you need to indicate: the flow of electrons, cathode and anode. (b) Metallic copper (Cu0) can be dissolved by HNO3(conc) and it is observed th ...
Introduction to Chemistry
... Ionic- Two elements bond by transferring electrons to create ions that attract together (+ is attracted to - after an electron is transferred) ...
... Ionic- Two elements bond by transferring electrons to create ions that attract together (+ is attracted to - after an electron is transferred) ...
the_atom_ppt
... • Includes all things that can be seen, tasted, smelled, or touched • Does not include heat, sound, or light ...
... • Includes all things that can be seen, tasted, smelled, or touched • Does not include heat, sound, or light ...
Quantitative periodic table – dominoes
... Teaching notes This is a domino style activity. There are 32 cards, allowing it to be used with a whole class. The activity could also be done individually, in pairs or in small groups to produce a complete ordered set of cards. Differentiation: the cards generally increase in difficulty from the st ...
... Teaching notes This is a domino style activity. There are 32 cards, allowing it to be used with a whole class. The activity could also be done individually, in pairs or in small groups to produce a complete ordered set of cards. Differentiation: the cards generally increase in difficulty from the st ...
Notes 2 Balancing
... • Products and reactants of a reaction are made up of the same number and types of atoms. • The molecules may change but the atoms within them do not. • If you have H, O, and C are the reactant side of a reaction, you must have ___ , ___ , and ____ on the product side. • The ONLY thing we can change ...
... • Products and reactants of a reaction are made up of the same number and types of atoms. • The molecules may change but the atoms within them do not. • If you have H, O, and C are the reactant side of a reaction, you must have ___ , ___ , and ____ on the product side. • The ONLY thing we can change ...
No Slide Title
... The metals in these two groups have similar outer electron configurations, with one electron in the outermost s orbital. Chemical properties are quite different due to difference in the ionization energy. ...
... The metals in these two groups have similar outer electron configurations, with one electron in the outermost s orbital. Chemical properties are quite different due to difference in the ionization energy. ...
Formula and The Mole
... 18. Ionic compounds are usually soluble in water and covalent compounds do not usually dissolve in water, but will dissolve in other solvents like hexane. 19. An electric current is a flow of ions in an electrolyte and a flow of electrons in a metal or graphite. 20. Coloured ions can be seen migrati ...
... 18. Ionic compounds are usually soluble in water and covalent compounds do not usually dissolve in water, but will dissolve in other solvents like hexane. 19. An electric current is a flow of ions in an electrolyte and a flow of electrons in a metal or graphite. 20. Coloured ions can be seen migrati ...
Inorganic Chemistry 412 / 512
... (b) Give the electron configuration (filling of σ, π, and δ orbitals) in the cluster. [5 pts] In this case, we have 2 Cr (II) ions, each is d4. The electron configuration is therefore σ2π4δ2 (c) What is the Cr-Cr bond order in the cluster ? [4 pts] ...
... (b) Give the electron configuration (filling of σ, π, and δ orbitals) in the cluster. [5 pts] In this case, we have 2 Cr (II) ions, each is d4. The electron configuration is therefore σ2π4δ2 (c) What is the Cr-Cr bond order in the cluster ? [4 pts] ...
Cells Are Made Of Molecules
... B. The element _______________ is so important that a whole branch of chemistry is set aside just to study ________________ containing ________________________ 1. Almost all the molecules a living cell makes are composed of __________________ atoms. 2. ____________ serves as the backbone of biologic ...
... B. The element _______________ is so important that a whole branch of chemistry is set aside just to study ________________ containing ________________________ 1. Almost all the molecules a living cell makes are composed of __________________ atoms. 2. ____________ serves as the backbone of biologic ...
Section 3: Modern Atomic Theory Atoms Section 3
... 〉 How are the energy levels of an atom filled? 〉 The number of energy levels that are filled in an atom depends on the number of electrons. • valence electron: an electron that is found in the outermost shell of an atom and that determines the atom’s chemical properties ...
... 〉 How are the energy levels of an atom filled? 〉 The number of energy levels that are filled in an atom depends on the number of electrons. • valence electron: an electron that is found in the outermost shell of an atom and that determines the atom’s chemical properties ...
CHM151LL: VSEPR and Molecular Geometry Tables
... VALENCE-SHELL ELECTRON-PAIR REPULSION (VSEPR) MODEL Lewis structures show the two-dimensional distribution of atoms and electrons. The molecular geometry, or three-dimensional shape of a molecule or polyatomic ion, can be determined using valence-shell electron-pair repulsion (abbreviated VSEPR and ...
... VALENCE-SHELL ELECTRON-PAIR REPULSION (VSEPR) MODEL Lewis structures show the two-dimensional distribution of atoms and electrons. The molecular geometry, or three-dimensional shape of a molecule or polyatomic ion, can be determined using valence-shell electron-pair repulsion (abbreviated VSEPR and ...
atoms
... Organized by increasing atomic number Periods (rows) are labeled 1-7 (# of electrons) 18 Columns of elements contains a group (family) of elements that have similar properties. (Properties Repeat -Periodic Law) The number of an “A” group element matches the number of valence electrons for an element ...
... Organized by increasing atomic number Periods (rows) are labeled 1-7 (# of electrons) 18 Columns of elements contains a group (family) of elements that have similar properties. (Properties Repeat -Periodic Law) The number of an “A” group element matches the number of valence electrons for an element ...
Chapter 10 - Chemical Reactions
... Many times, Balancing equations is a trial & error process Ex: Combustion of Gasoline (Octane) 2C8H18(g) + 25O2(g) 16CO2(g) + 18H2O(g) However, you should be familiar with the rules which describe balanced chemical reactions. 1. Number of Atoms of each element conserved in reactants and products 2. ...
... Many times, Balancing equations is a trial & error process Ex: Combustion of Gasoline (Octane) 2C8H18(g) + 25O2(g) 16CO2(g) + 18H2O(g) However, you should be familiar with the rules which describe balanced chemical reactions. 1. Number of Atoms of each element conserved in reactants and products 2. ...
chapter 1 - College Test bank - get test bank and solution manual
... a. On the left side of the arrow, "2 Na" means 2 Na atoms; one Cl2 molecule contains 2 Cl atoms. On the right side 2 NaCl units contain 2 Na atoms and 2 Cl atoms. b. On the left one N2 molecule contains 2 N atoms and 3 Cl2 molecules contain 6 Cl atoms. On the right 2 NCl3 molecules contain a total o ...
... a. On the left side of the arrow, "2 Na" means 2 Na atoms; one Cl2 molecule contains 2 Cl atoms. On the right side 2 NaCl units contain 2 Na atoms and 2 Cl atoms. b. On the left one N2 molecule contains 2 N atoms and 3 Cl2 molecules contain 6 Cl atoms. On the right 2 NCl3 molecules contain a total o ...
HIGHER TIER CHEMISTRY MINI-MOCK UNIT 2
... The structure of silicon is similar to the structure of diamond. Describe the structure of silicon and explain why it has a high melting point. You may draw a diagram if this helps. (4)(Total 15 marks) Q2. ...
... The structure of silicon is similar to the structure of diamond. Describe the structure of silicon and explain why it has a high melting point. You may draw a diagram if this helps. (4)(Total 15 marks) Q2. ...
Honors Chemistry Final Review
... Classify each of the following bonds as ionic, polar-covalent, nonpolar covalent or metallic bonds. a. Na – Cl b. C – Cl c. C – C d. C – O e. In Na f. Na – OH g. Which pair of ions forms the most ionic bond: K to Cl or Fr to F? ...
... Classify each of the following bonds as ionic, polar-covalent, nonpolar covalent or metallic bonds. a. Na – Cl b. C – Cl c. C – C d. C – O e. In Na f. Na – OH g. Which pair of ions forms the most ionic bond: K to Cl or Fr to F? ...
Molecules and Ions
... Ionic formulas ALWAYS have a ZERO net charge – i.e. the (+) and (-) ionic charges in ANY formula cancel. If the above rule is followed, the ionic compound must exist and is probably sitting on a shelf in the chemistry stock room! Task: Construct and name as many ionic compounds as possible from the ...
... Ionic formulas ALWAYS have a ZERO net charge – i.e. the (+) and (-) ionic charges in ANY formula cancel. If the above rule is followed, the ionic compound must exist and is probably sitting on a shelf in the chemistry stock room! Task: Construct and name as many ionic compounds as possible from the ...
Semester Exam Practice Questions
... a. row 7, column 4 (Rf) c. row 5, column 7 (Tc) b. row 4, column 7 (Mn) d. row 5, column 9 (Rh) In the periodic table, all of the elements in a horizontal row are referred to as a __________. a. period c. family b. group d. triad In general, how many electrons should an atom have in its outer level ...
... a. row 7, column 4 (Rf) c. row 5, column 7 (Tc) b. row 4, column 7 (Mn) d. row 5, column 9 (Rh) In the periodic table, all of the elements in a horizontal row are referred to as a __________. a. period c. family b. group d. triad In general, how many electrons should an atom have in its outer level ...
Molecules and Ions
... Ionic formulas ALWAYS have a ZERO net charge – i.e. the (+) and (-) ionic charges in ANY formula cancel. If the above rule is followed, the ionic compound must exist and is probably sitting on a shelf in the chemistry stock room! Task: Construct and name as many ionic compounds as possible from the ...
... Ionic formulas ALWAYS have a ZERO net charge – i.e. the (+) and (-) ionic charges in ANY formula cancel. If the above rule is followed, the ionic compound must exist and is probably sitting on a shelf in the chemistry stock room! Task: Construct and name as many ionic compounds as possible from the ...