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Honors Mid-Term Review Sheet
... 62. The radius of a cation is ___________ than its neutral atom. 63. The radius of an anion is ___________than its neutral atom. 64. What are 2 characteristics of noble gases? 65. List the charges formed by the groups on the periodic table. 66. What charges do the following elements have when they f ...
... 62. The radius of a cation is ___________ than its neutral atom. 63. The radius of an anion is ___________than its neutral atom. 64. What are 2 characteristics of noble gases? 65. List the charges formed by the groups on the periodic table. 66. What charges do the following elements have when they f ...
Stoichiometry Mole Concept Balancing Chemical Equations
... Air consists of approximately 20 % oxygen and 80 % nitrogen. What are the partial pressures of these gases at 1 atm and 10 atm ? ...
... Air consists of approximately 20 % oxygen and 80 % nitrogen. What are the partial pressures of these gases at 1 atm and 10 atm ? ...
AP Chemistry Summer Assignment - 2015
... Nick the Camel ate a Clam Supper in Phoenix. Nick ‐ N with 3 consonants and 1 vowel therefore NO3‐1 (nitrate) Camel ‐ C with 3 consonants and 2 vowels, therefore CO3 ‐2 (carbonate) Clam ‐ Cl with 3 consonants and 1 vowel, therefore ClO3 ‐1 (chlorate) Supper ‐ S with 4 consonants and 2 vowel ...
... Nick the Camel ate a Clam Supper in Phoenix. Nick ‐ N with 3 consonants and 1 vowel therefore NO3‐1 (nitrate) Camel ‐ C with 3 consonants and 2 vowels, therefore CO3 ‐2 (carbonate) Clam ‐ Cl with 3 consonants and 1 vowel, therefore ClO3 ‐1 (chlorate) Supper ‐ S with 4 consonants and 2 vowel ...
Mole Relationships in chemistry
... the atoms in one of more substances O Chemical equation represents this process with the reactants on the left side of the arrow and the products on the right side of the arrow ...
... the atoms in one of more substances O Chemical equation represents this process with the reactants on the left side of the arrow and the products on the right side of the arrow ...
eastern illinois university
... 22. Consider the following unbalanced equation: LaCl3 + Na2CO3 La2(CO3)3 + NaCl. When this equation is balanced (simplest whole number coefficients), the coefficient for NaCl is: a. 1 b. 2 c. 3 d. 5 e. 6 23. Consider the balanced, but incomplete, equation: 2AlCl3 + Ca3N22X + 3CaCl2. The formula o ...
... 22. Consider the following unbalanced equation: LaCl3 + Na2CO3 La2(CO3)3 + NaCl. When this equation is balanced (simplest whole number coefficients), the coefficient for NaCl is: a. 1 b. 2 c. 3 d. 5 e. 6 23. Consider the balanced, but incomplete, equation: 2AlCl3 + Ca3N22X + 3CaCl2. The formula o ...
Elements, basic principles, periodic table
... Reminder: liquid, vapor, solid and aquous (dissolved) ...
... Reminder: liquid, vapor, solid and aquous (dissolved) ...
1. All matter is made up of
... 10. A substance made up of two or more elements that have been physcially combined is a ____________ ...
... 10. A substance made up of two or more elements that have been physcially combined is a ____________ ...
Mole Introduction
... The reaction between 2.74g of hydrogen gas and 97.26g of chlorine gas makes 100g of hydrogen chloride. What is the relative mass of a chlorine atom to a hydrogen atom? ...
... The reaction between 2.74g of hydrogen gas and 97.26g of chlorine gas makes 100g of hydrogen chloride. What is the relative mass of a chlorine atom to a hydrogen atom? ...
Ms - cloudfront.net
... 18. Describe how a cation and an anion is formed. 19. What do metals typically do when they become ions? What about nonmetals? 20. What type of elements bond together in ionic bonds? covalent bonds? metallic bonds? 21. How do electrons in ionic bonding interact? Covalent bonding? 22. How does the re ...
... 18. Describe how a cation and an anion is formed. 19. What do metals typically do when they become ions? What about nonmetals? 20. What type of elements bond together in ionic bonds? covalent bonds? metallic bonds? 21. How do electrons in ionic bonding interact? Covalent bonding? 22. How does the re ...
Multivalent Ionic Compounds
... BCLN SCIENCE 10 - Rev. Mar /2016 12. Draw Lewis Diagrams for the atoms and ions of the first 18 elements in the Periodic Table. If the element does not form an ion simply state “no ion”. The first two are done for you as an example. Hint: Ions are usually formed by losing all electrons in the Lewis ...
... BCLN SCIENCE 10 - Rev. Mar /2016 12. Draw Lewis Diagrams for the atoms and ions of the first 18 elements in the Periodic Table. If the element does not form an ion simply state “no ion”. The first two are done for you as an example. Hint: Ions are usually formed by losing all electrons in the Lewis ...
5 6. moles and rxn - New Hartford Central Schools
... How many H’s do I have on both sides of the equation? 2 Now, How many O’s do I have on both sides of the equation? ...
... How many H’s do I have on both sides of the equation? 2 Now, How many O’s do I have on both sides of the equation? ...
Chemistry to Remember
... via a barometer. A barometer measures the displacement of a column of mercury by air pressure. Standard pressure is 760 mm of mercury or 1 atmosphere (atm), specifically; the air pressure at sea level supports a column of mercury 760 mm high. Today’s technology uses this basic measurement to calibra ...
... via a barometer. A barometer measures the displacement of a column of mercury by air pressure. Standard pressure is 760 mm of mercury or 1 atmosphere (atm), specifically; the air pressure at sea level supports a column of mercury 760 mm high. Today’s technology uses this basic measurement to calibra ...
formula`s - Montville.net
... Loschmidt realized that a mole of any substance—be it a gas, liquid, or solid— contains 6.02 x 1023 atoms or molecules. ...
... Loschmidt realized that a mole of any substance—be it a gas, liquid, or solid— contains 6.02 x 1023 atoms or molecules. ...
Unit 1 Notes (general chem review)
... homogeneous – same composition throughout the mixture solution–lose individual characteristics made out of two parts solute = is dissolved solvent = does the dissolving nine types of solutions solute = solid, liquid, or gas solvent = solid, liquid or gas heterogeneous – each compon ...
... homogeneous – same composition throughout the mixture solution–lose individual characteristics made out of two parts solute = is dissolved solvent = does the dissolving nine types of solutions solute = solid, liquid, or gas solvent = solid, liquid or gas heterogeneous – each compon ...
Mole Relationships in chemistry
... based on two laws from Joseph-Louis Proust in 1797 O The Law of Definite Proportions O This states that compounds always have a definite proportion of ...
... based on two laws from Joseph-Louis Proust in 1797 O The Law of Definite Proportions O This states that compounds always have a definite proportion of ...
NAME REVIEW 1: JUST THE BASICS ___1) In which material are
... 20) 1) HI it is produced endothermically and that means more energy is absorbed by the breaking of bonds than is released as the new H-I polar covalent bond(s) is (are) produced. Thus HI is less stable than the reactants. 21) 3 an increase in temp favors the endo. rxn which in this case is the forwa ...
... 20) 1) HI it is produced endothermically and that means more energy is absorbed by the breaking of bonds than is released as the new H-I polar covalent bond(s) is (are) produced. Thus HI is less stable than the reactants. 21) 3 an increase in temp favors the endo. rxn which in this case is the forwa ...
Matter – Properties and Changes
... • Element – pure substance that cannot be separated into simplier substances by physical or chemical means. • 91 naturally occuring; 27 more that have been lab-synthesized (so 118 total) • Hydrogen the most common • at room temp, 11 are gas, 3 are liquid, the rest solid ...
... • Element – pure substance that cannot be separated into simplier substances by physical or chemical means. • 91 naturally occuring; 27 more that have been lab-synthesized (so 118 total) • Hydrogen the most common • at room temp, 11 are gas, 3 are liquid, the rest solid ...
Microsoft Word
... 1. Count up total number of valence electrons available (A). If the species is an ion, either add the negative charge to A (for anion) or subtract the positive charge from A (for cation). 2. Calculate total number of electrons needed (N) to give each atom an octet (8 # non-hydrogen atoms + 2 # h ...
... 1. Count up total number of valence electrons available (A). If the species is an ion, either add the negative charge to A (for anion) or subtract the positive charge from A (for cation). 2. Calculate total number of electrons needed (N) to give each atom an octet (8 # non-hydrogen atoms + 2 # h ...
Classification – 3 main groups
... Chemical Change- The substance has changed in color, or it fizzed, bubbled, created an odor, got warmer or colder ( temp. change caused by the chemical reaction ). The original substance is no longer there; frying an egg, any type of cooking, alka seltzer and water Physical Change- A noticeable chan ...
... Chemical Change- The substance has changed in color, or it fizzed, bubbled, created an odor, got warmer or colder ( temp. change caused by the chemical reaction ). The original substance is no longer there; frying an egg, any type of cooking, alka seltzer and water Physical Change- A noticeable chan ...
Elements compounds and mixtures
... • Ionic: made of metal and nonmetal ions. Form an ionic crystal lattice when in the solid phase. Ions separate when melted or dissolved in water, allowing electrical conduction. Examples: NaCl, K2O, CaBr2 • Molecular: made of nonmetal atoms bonded to form a distinct particle called a molecule. Bonds ...
... • Ionic: made of metal and nonmetal ions. Form an ionic crystal lattice when in the solid phase. Ions separate when melted or dissolved in water, allowing electrical conduction. Examples: NaCl, K2O, CaBr2 • Molecular: made of nonmetal atoms bonded to form a distinct particle called a molecule. Bonds ...
CHM134 General Chemistry I Semester Review – Dr. Steel This list
... 26. What bond angles are present between sp2 hybridized orbitals? 27. What geometry is associated with sp3d hybridization? 28. The ClF3 molecule will have what type of geometry? 29. The SF4 molecule will have what type of geometry? 30. What atomic orbital hybridization is used by Si in SiCl4? 31. In ...
... 26. What bond angles are present between sp2 hybridized orbitals? 27. What geometry is associated with sp3d hybridization? 28. The ClF3 molecule will have what type of geometry? 29. The SF4 molecule will have what type of geometry? 30. What atomic orbital hybridization is used by Si in SiCl4? 31. In ...