Document
... 15. The biological significance of chirality (stereoisomerism) is that A. because proteins (enzymes) are made of chiral subunits they usually react with only one stereoisomer of a molecule. B. because proteins (enzymes) are not made of chiral subunits they react with all stereoisomers of a molecule. ...
... 15. The biological significance of chirality (stereoisomerism) is that A. because proteins (enzymes) are made of chiral subunits they usually react with only one stereoisomer of a molecule. B. because proteins (enzymes) are not made of chiral subunits they react with all stereoisomers of a molecule. ...
Fall Semester Review
... 61. In a molecule of fluorine, the two shared electrons give each fluorine atom how many electron(s) in the outer energy level? 62. The electron configuration of nitrogen is 1s2 2s2 2p 3 . How many more electrons does nitrogen need to satisfy the octet rule? 63. What group of elements satisfies the ...
... 61. In a molecule of fluorine, the two shared electrons give each fluorine atom how many electron(s) in the outer energy level? 62. The electron configuration of nitrogen is 1s2 2s2 2p 3 . How many more electrons does nitrogen need to satisfy the octet rule? 63. What group of elements satisfies the ...
Examples
... All binary compounds of the halogens (other than F) with metals are soluble, except those of Silver, Mercury(I), and Lead. Fluorides are insoluble except for rule 1 and 2. All sulfates are soluble, except those of barium, strontium, calcium, lead, silver, and mercury (I). ...
... All binary compounds of the halogens (other than F) with metals are soluble, except those of Silver, Mercury(I), and Lead. Fluorides are insoluble except for rule 1 and 2. All sulfates are soluble, except those of barium, strontium, calcium, lead, silver, and mercury (I). ...
The Mole - Rothschild Science
... carbon dioxide. One mole of calcium carbonate reacts to form one mole of calcium oxide and one mole of carbon dioxide. ...
... carbon dioxide. One mole of calcium carbonate reacts to form one mole of calcium oxide and one mole of carbon dioxide. ...
Balancing Reaction Equations Oxidation State Reduction
... Oxidation: Loss of electrons from an element. Oxidation number increases Reduction: Gain of electrons by an element. Oxidation number decreases ...
... Oxidation: Loss of electrons from an element. Oxidation number increases Reduction: Gain of electrons by an element. Oxidation number decreases ...
XIX. Chemistry, High School
... Sheet/Periodic Table of the Elements. Copies of both sides of this formula sheet follow the final question in this chapter. Each student also had sole access to a calculator with at least four functions and a square-root key. The use of bilingual word-to-word dictionaries was allowed for current and ...
... Sheet/Periodic Table of the Elements. Copies of both sides of this formula sheet follow the final question in this chapter. Each student also had sole access to a calculator with at least four functions and a square-root key. The use of bilingual word-to-word dictionaries was allowed for current and ...
Summer Assignment: Some Review / Basic Prep
... Group 13 metal cations = +3 commonly (Ga, In, Tl may also be +1 or +2) Group 14 metal cations = +4 commonly (Sn & Pb may also be +2) Group 15 metal cations = + 3 commonly (Bi may also be +5) b) Transition metals are those found in groups 3 – 11, (12) i) As a rule, transition metals may have cations ...
... Group 13 metal cations = +3 commonly (Ga, In, Tl may also be +1 or +2) Group 14 metal cations = +4 commonly (Sn & Pb may also be +2) Group 15 metal cations = + 3 commonly (Bi may also be +5) b) Transition metals are those found in groups 3 – 11, (12) i) As a rule, transition metals may have cations ...
lect 7
... contained within atoms or molecules. Thus, electrons are only transferred between species. Redox, short for reduction-oxidation, is the termed used to denote the transfer of electrons. Oxidation and reduction are defined as: Reduction: The gain of electrons by a compound Oxidation: The loss of elect ...
... contained within atoms or molecules. Thus, electrons are only transferred between species. Redox, short for reduction-oxidation, is the termed used to denote the transfer of electrons. Oxidation and reduction are defined as: Reduction: The gain of electrons by a compound Oxidation: The loss of elect ...
Chapter 2 Atoms, Molecules, and Ions
... Ø If two elements, A and B, form more than one compound, the masses of B that combine with a given mass of A are in the ratio of small whole numbers. Ø Dalton predicted this law and observed it while developing his atomic theory. Ø When two or more compounds exist from the same elements, they can ...
... Ø If two elements, A and B, form more than one compound, the masses of B that combine with a given mass of A are in the ratio of small whole numbers. Ø Dalton predicted this law and observed it while developing his atomic theory. Ø When two or more compounds exist from the same elements, they can ...
Spring 2008
... answer D: [The first row d orbitals (trans metals) are n=3, for d orbitals, l=2 (fyi for s, l=0; for p, l=1). For d oribials,ml=-2,-1,0,1, or +1. ms for an orbital can only be -1/2, 0 or ½. Note that for an electron ms can be -1/2 or +1/2) ...
... answer D: [The first row d orbitals (trans metals) are n=3, for d orbitals, l=2 (fyi for s, l=0; for p, l=1). For d oribials,ml=-2,-1,0,1, or +1. ms for an orbital can only be -1/2, 0 or ½. Note that for an electron ms can be -1/2 or +1/2) ...
chem 13 news 2010 - University of Waterloo
... 36 How many unpaired electrons are there in a Mn2+ ion in its ground electronic state? The atomic number of manganese is Z = 25. ...
... 36 How many unpaired electrons are there in a Mn2+ ion in its ground electronic state? The atomic number of manganese is Z = 25. ...
+ H 2 O
... 1: write separate half-reaction equations for oxidation and reduction 2. balance the atoms in the half reactions 3. add enough electrons to one side of each half-reaction to balance the charges 4. multiply each half-reaction by a number to make the electrons equal in both 5. add the balanced half-re ...
... 1: write separate half-reaction equations for oxidation and reduction 2. balance the atoms in the half reactions 3. add enough electrons to one side of each half-reaction to balance the charges 4. multiply each half-reaction by a number to make the electrons equal in both 5. add the balanced half-re ...
GENERAL CHEMISTRY REVIEW
... Binary Ionic Compounds, where the metal ion has only one oxidation state (Group 1A, alkali metals and group 2A, alkali earth metals) 1. the cation (positive ion) named first using the element name 2. monatomic cations take name from the corresponding element (i.e., cesium) 3. monatomic anions (negit ...
... Binary Ionic Compounds, where the metal ion has only one oxidation state (Group 1A, alkali metals and group 2A, alkali earth metals) 1. the cation (positive ion) named first using the element name 2. monatomic cations take name from the corresponding element (i.e., cesium) 3. monatomic anions (negit ...
Chemistry – Higher level Marking Scheme
... for a definite mass of gas at constant pressure (3) * must be capital letter. H ...
... for a definite mass of gas at constant pressure (3) * must be capital letter. H ...
Chemistry STAAR Review File
... The edges of the shadow were sharp (not fuzzy). The cathode ray consists of very small particles. order to observe the shadow that would result. No particles can be seen. Energy that travels as waves will bend around the object resulting in a shadow with fuzzy edges. If the Thomson’s experiment also ...
... The edges of the shadow were sharp (not fuzzy). The cathode ray consists of very small particles. order to observe the shadow that would result. No particles can be seen. Energy that travels as waves will bend around the object resulting in a shadow with fuzzy edges. If the Thomson’s experiment also ...
Question paper - Unit A173/02 - Module C7 - Higher tier
... whose work is used in this paper. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced in the OCR Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download from our p ...
... whose work is used in this paper. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced in the OCR Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download from our p ...
ch6 - ChemistryVCE
... In a metallic solid, there will be repulsion between the positive ions and between the delocalised electrons. The particles are arranged to minimise these repulsions. In an ionic lattice, the arrangement of alternating positive and negative ions also minimises repulsion between like charges. Agree. ...
... In a metallic solid, there will be repulsion between the positive ions and between the delocalised electrons. The particles are arranged to minimise these repulsions. In an ionic lattice, the arrangement of alternating positive and negative ions also minimises repulsion between like charges. Agree. ...
As a result of activities in grades 9
... water. Enthalpy of formation. "Special reactions" like combustion, electrolysis, photosynthesis, and respiration. Many other topics are covered in less detail. For example, the graduate will gain an understanding of the fundamentals of pH but not to the depths required for calculating it (because th ...
... water. Enthalpy of formation. "Special reactions" like combustion, electrolysis, photosynthesis, and respiration. Many other topics are covered in less detail. For example, the graduate will gain an understanding of the fundamentals of pH but not to the depths required for calculating it (because th ...
CHEMISTRY
... CO + H2O CO2 + H2. The symbol indicates a double arrow, i.e. the reaction can give from right to left or vice versa. The equilibrium reactions occur frequently, overall if the reaction takes place in a single phases (homogeneous), for example for gases ...
... CO + H2O CO2 + H2. The symbol indicates a double arrow, i.e. the reaction can give from right to left or vice versa. The equilibrium reactions occur frequently, overall if the reaction takes place in a single phases (homogeneous), for example for gases ...
Name: Per: Date: Unit 1. Materials: Formulating Matter B. Periodic
... 38. Fill in the data table for each ionic compound described below. Number one is filled in as an example. Use the two tables of common ions below. a. Potassium chloride is “lite salt”, used by many people with hypertension. b. CaSO4 is a component of plaster. c. A substance composed of Ca2+ and PO ...
... 38. Fill in the data table for each ionic compound described below. Number one is filled in as an example. Use the two tables of common ions below. a. Potassium chloride is “lite salt”, used by many people with hypertension. b. CaSO4 is a component of plaster. c. A substance composed of Ca2+ and PO ...