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THE ATOM - A COMPUTER GUIDED LESSON
... questions. Answer the questions on a separate sheet of white paper. 1. Write out the Atomic Molecular Theory of Matter. 2. How can scientists know so much about atoms when they are so small that they cannot see them? 3. What is Indirect Evidence? 4. What is a model? 5. Scientists have been making mo ...
... questions. Answer the questions on a separate sheet of white paper. 1. Write out the Atomic Molecular Theory of Matter. 2. How can scientists know so much about atoms when they are so small that they cannot see them? 3. What is Indirect Evidence? 4. What is a model? 5. Scientists have been making mo ...
Hints for Names and Formulas (Ch. 4 in Zumdahl Chemistry)
... Hints for Names and Formulas (Ch. 4 in Zumdahl Chemistry) COVALENT MOLECULES AND COMPOUNDS (1) in this course, molecules are usually defined as two or more nonmetallic atoms bonded covalently (2) molecules are finite groupings of nonmetallic atoms that may or may not be different elements ● only 10 ...
... Hints for Names and Formulas (Ch. 4 in Zumdahl Chemistry) COVALENT MOLECULES AND COMPOUNDS (1) in this course, molecules are usually defined as two or more nonmetallic atoms bonded covalently (2) molecules are finite groupings of nonmetallic atoms that may or may not be different elements ● only 10 ...
4 - College of Arts and Sciences
... In Nitrate Ion [NO3-] the extreme possibilities have one double and two single bonds ...
... In Nitrate Ion [NO3-] the extreme possibilities have one double and two single bonds ...
Assignment #12
... 1. The phosphorous trihalides (PX3, X = halogen) show the following variation in the bond angle X-P-X: PF3 = 96.3°, PCl3 = 100.3°, PBr3 = 101.0°, PI3 = 102°. The trend is generally attributed to the change in the electronegativity of the halogen. (a) Assuming that all electron domains (electron pair ...
... 1. The phosphorous trihalides (PX3, X = halogen) show the following variation in the bond angle X-P-X: PF3 = 96.3°, PCl3 = 100.3°, PBr3 = 101.0°, PI3 = 102°. The trend is generally attributed to the change in the electronegativity of the halogen. (a) Assuming that all electron domains (electron pair ...
Chemical reaction
... • Polar nature of water causes water molecules to be attracted to each other. • This attraction: hydrogen bond. ...
... • Polar nature of water causes water molecules to be attracted to each other. • This attraction: hydrogen bond. ...
Chemical Bond - Cobb Learning
... Add subscripts so that the sum of the positive and negative oxidation numbers is zero. The Crisscross Method or Swap N’ Drop Method can also work. 4) All compounds are neutral so the oxidation numbers should combine in ratios that will add up to zero. The number of ions combining in the compound wil ...
... Add subscripts so that the sum of the positive and negative oxidation numbers is zero. The Crisscross Method or Swap N’ Drop Method can also work. 4) All compounds are neutral so the oxidation numbers should combine in ratios that will add up to zero. The number of ions combining in the compound wil ...
Molecular Structure
... Molecular Structure – the chemical and physical properties of compounds are intimately related to their molecular shapes – molecular shapes (geometries) depend on the electron arrangement of molecules ...
... Molecular Structure – the chemical and physical properties of compounds are intimately related to their molecular shapes – molecular shapes (geometries) depend on the electron arrangement of molecules ...
PKUESJX Grade 10 Chemistry Pre
... - Determine which ions will be formed when metals from groups 1, 2 and 3 lose electrons and non-metals, from groups 6 and 7 gain electrons. - Determine why the number of electrons is lost or gained. - Deduce the formula and state the name of ionic compounds formed from a group 1,2 or 3 metal and a g ...
... - Determine which ions will be formed when metals from groups 1, 2 and 3 lose electrons and non-metals, from groups 6 and 7 gain electrons. - Determine why the number of electrons is lost or gained. - Deduce the formula and state the name of ionic compounds formed from a group 1,2 or 3 metal and a g ...
THE ATOM - A COMPUTER GUIDED LESSON
... questions. Answer the questions on a separate sheet of white paper. 1. Write out the Atomic Molecular Theory of Matter. 2. How can scientists know so much about atoms when they are so small that they cannot see them? 3. What is Indirect Evidence? 4. What is a model? 5. Scientists have been making mo ...
... questions. Answer the questions on a separate sheet of white paper. 1. Write out the Atomic Molecular Theory of Matter. 2. How can scientists know so much about atoms when they are so small that they cannot see them? 3. What is Indirect Evidence? 4. What is a model? 5. Scientists have been making mo ...
Name:______ Chemistry 114 First Hour Exam
... 6A. Draw the structure of an organic compound that contains a halogen, an alcohol, an aldehyde, and a carboxylic acid. Circle and identify each of these groups in your structure. Include all hydrogens and all lone pairs of electrons in your structure because it has to make complete chemical sense. B ...
... 6A. Draw the structure of an organic compound that contains a halogen, an alcohol, an aldehyde, and a carboxylic acid. Circle and identify each of these groups in your structure. Include all hydrogens and all lone pairs of electrons in your structure because it has to make complete chemical sense. B ...
Chemistry Of Life
... • We can split atoms, but they loose their chemical properties, and it takes a lot of energy ...
... • We can split atoms, but they loose their chemical properties, and it takes a lot of energy ...
Chapter 7, 8, and 9 Exam 2014 Name I. 50% of your grade will come
... 14. The ionization energies for element X are listed in the table above. On the basis of the data, element X is most likely to be (A) Na (B) Mg (C) Al (D) Si (E) P 15. In the periodic table, as the atomic number increases from 11 to 17, what happens to the atomic radius? (A) It remains constant. (B) ...
... 14. The ionization energies for element X are listed in the table above. On the basis of the data, element X is most likely to be (A) Na (B) Mg (C) Al (D) Si (E) P 15. In the periodic table, as the atomic number increases from 11 to 17, what happens to the atomic radius? (A) It remains constant. (B) ...
Ch 08 MolecularGeometry_rev
... Shapes on a 2-Dimensional Surface • One of the problems with drawing molecules is trying to show their dimensionality • By convention, the central atom is put in the plane of the paper • Put as many other atoms as possible in the same plane and indicate with a straight line • For atoms in front of t ...
... Shapes on a 2-Dimensional Surface • One of the problems with drawing molecules is trying to show their dimensionality • By convention, the central atom is put in the plane of the paper • Put as many other atoms as possible in the same plane and indicate with a straight line • For atoms in front of t ...
Semester 2 Chemistry and Matter 1/25
... a. Atoms in their normal state have an equal # of protons & electrons. b. Said to be “stable” ...
... a. Atoms in their normal state have an equal # of protons & electrons. b. Said to be “stable” ...
Chemistry Unit Test Study Guide (2012-2013)
... The charge becomes positive when what has happened? ___________________________________________________________________ The charge becomes negative when what has happened? ___________________________________________________________________ If an atom in group 16 gains 2 electrons, how many valence e ...
... The charge becomes positive when what has happened? ___________________________________________________________________ The charge becomes negative when what has happened? ___________________________________________________________________ If an atom in group 16 gains 2 electrons, how many valence e ...
Increasing numbers of lone pairs on a central atom cause bond
... 2 sigma, 2 pi 3 sigma, 1 pi 2 sigma, 1 pi The CH bond is a sigma bond, one of the bonds from the CN triple bond is a sigma bond and the other two are pi bonds ...
... 2 sigma, 2 pi 3 sigma, 1 pi 2 sigma, 1 pi The CH bond is a sigma bond, one of the bonds from the CN triple bond is a sigma bond and the other two are pi bonds ...
Molecular Geometry and Polarity
... The F-P-F bond angles should be <109.50 due F to the repulsion of the nonbonding electron P F pair. F F The final shape is trigonal pyramidal. ...
... The F-P-F bond angles should be <109.50 due F to the repulsion of the nonbonding electron P F pair. F F The final shape is trigonal pyramidal. ...
HW Problems
... a. the organic solvent, benzene, which has 6 carbons and 6 hydrogens b. the compound silicon tetrachloride, with one silicon atom and four chlorine atoms, used in making computer chips c. the reactive substance, diborane, with two boron atoms and six hydrogen atoms d. the sugar, glucose, with six ca ...
... a. the organic solvent, benzene, which has 6 carbons and 6 hydrogens b. the compound silicon tetrachloride, with one silicon atom and four chlorine atoms, used in making computer chips c. the reactive substance, diborane, with two boron atoms and six hydrogen atoms d. the sugar, glucose, with six ca ...
VSEPR pHeT - Northwest ISD Moodle
... Name molecule and electron geometries for basic molecules. Explain the model being used to predict molecule geometry. Predict common molecular geometry from the number of electron pairs and bonded atoms around a central atom of basic compounds. 1. Click the play button, then click on model, cl ...
... Name molecule and electron geometries for basic molecules. Explain the model being used to predict molecule geometry. Predict common molecular geometry from the number of electron pairs and bonded atoms around a central atom of basic compounds. 1. Click the play button, then click on model, cl ...
Extra Credit Test Review
... What Group number is Magnesium located? 2 What is the name of this Group? Alkaline Earth Metals 18. Li, Sn, Al, and Fe are all metals located to the left of the stair step on the Table. 19. Cl, Ar, He, and N are all nonmetals located to the right of the stair step on the Table. 20. Oxygen, Nitrogen, ...
... What Group number is Magnesium located? 2 What is the name of this Group? Alkaline Earth Metals 18. Li, Sn, Al, and Fe are all metals located to the left of the stair step on the Table. 19. Cl, Ar, He, and N are all nonmetals located to the right of the stair step on the Table. 20. Oxygen, Nitrogen, ...