![IB 1 CHEMISTRY](http://s1.studyres.com/store/data/003787485_1-ac90b0de9700b1700170e4bd366c7d3f-300x300.png)
IB 1 CHEMISTRY
... The empirical formula is obtained experimentally by burning a compound in oxygen so that all its elements forms oxides. The amount of oxides can be determined and that gives the original amount of each element. The empirical formula shows the simplest whole number ratio of atoms of each element in a ...
... The empirical formula is obtained experimentally by burning a compound in oxygen so that all its elements forms oxides. The amount of oxides can be determined and that gives the original amount of each element. The empirical formula shows the simplest whole number ratio of atoms of each element in a ...
Chemistry 1st Semester Practice Exam
... 93. Under appropriate conditions, nitrogen and hydrogen undergo a combination reaction to ...
... 93. Under appropriate conditions, nitrogen and hydrogen undergo a combination reaction to ...
Balancing Chemical Equations Lab
... 6. Are the 2 sides equal? If not, the equation is not balanced. 7. The index cards numbered 2 - 7 are your coefficients. They can ONLY be placed in front of the elements. You can not change the subscripts. 8. Choose an element that is not balanced and begin to balance the equations. 9. Continue unti ...
... 6. Are the 2 sides equal? If not, the equation is not balanced. 7. The index cards numbered 2 - 7 are your coefficients. They can ONLY be placed in front of the elements. You can not change the subscripts. 8. Choose an element that is not balanced and begin to balance the equations. 9. Continue unti ...
Chapter 2 Study Guides
... 13. The prefix mono-‐ means “one,” and the prefix poly-‐ means “many.” How are these meanings related to the terms monomer and polymer? ...
... 13. The prefix mono-‐ means “one,” and the prefix poly-‐ means “many.” How are these meanings related to the terms monomer and polymer? ...
Exam Review - hrsbstaff.ednet.ns.ca
... Carbon dioxide is produced in the reaction between calcium carbonate and hydrochloric acid. How many grams of calcium carbonate would be needed to react completely with 15.0 g of hydrochloric acid? How many grams of calcium chloride would be formed? Sulfur dioxide may be catalytically oxidized to su ...
... Carbon dioxide is produced in the reaction between calcium carbonate and hydrochloric acid. How many grams of calcium carbonate would be needed to react completely with 15.0 g of hydrochloric acid? How many grams of calcium chloride would be formed? Sulfur dioxide may be catalytically oxidized to su ...
High School Chemistry
... b. Using the periodic table, predict the charge an atom will acquire when it forms an ion by gaining or losing electrons. c. Compare covalent and ionic bonds with respect to electron behavior and relative bond strengths. d. Diagram a model of a metallic bond and explain how it differs from ionic an ...
... b. Using the periodic table, predict the charge an atom will acquire when it forms an ion by gaining or losing electrons. c. Compare covalent and ionic bonds with respect to electron behavior and relative bond strengths. d. Diagram a model of a metallic bond and explain how it differs from ionic an ...
Chemical Equations
... • Synthesis are, at this introductory level, almost always the reverse of a decomposition reaction. That means that two pieces join together to produce one, a more complex compounds. These pieces can be elements or simpler compounds. • A + B ---> AB Reaction Types: Combustion •Combustion, at its mos ...
... • Synthesis are, at this introductory level, almost always the reverse of a decomposition reaction. That means that two pieces join together to produce one, a more complex compounds. These pieces can be elements or simpler compounds. • A + B ---> AB Reaction Types: Combustion •Combustion, at its mos ...
Chemical Reaction and Matter Review
... be composed of metallic positive ions (cations) and nonmetal negative ions (anions). When dealing with ionic formulas it is very important to remember that the formula does not show how the compound actually exists in nature. It only shows the ratio by which the individual ions combine. For example, ...
... be composed of metallic positive ions (cations) and nonmetal negative ions (anions). When dealing with ionic formulas it is very important to remember that the formula does not show how the compound actually exists in nature. It only shows the ratio by which the individual ions combine. For example, ...
Chapter 6 Quiz
... ______ 5. The electron configuration of nitrogen is 1s2 2s2 2p3. How many more electrons does nitrogen need to satisfy the octet rule? a. 1 b. 5 c. 3 d. 8 ______ 6. What group of elements satisfies the octet rule without forming compounds? a. halogen b. alkali metal c. noble gas d. alkaline-earth me ...
... ______ 5. The electron configuration of nitrogen is 1s2 2s2 2p3. How many more electrons does nitrogen need to satisfy the octet rule? a. 1 b. 5 c. 3 d. 8 ______ 6. What group of elements satisfies the octet rule without forming compounds? a. halogen b. alkali metal c. noble gas d. alkaline-earth me ...
Unit 2: Biochem Notes
... 4. Water heats up and cools down at a slow rate (resists change of temperature). When water does change its temperature, it absorbs or loses a large amount of heat, keeping an organism’s temperature steady (ex. sweating: changing water from liquid water to gaseous water moves heat away from the body ...
... 4. Water heats up and cools down at a slow rate (resists change of temperature). When water does change its temperature, it absorbs or loses a large amount of heat, keeping an organism’s temperature steady (ex. sweating: changing water from liquid water to gaseous water moves heat away from the body ...
Chapter 2 Elements and Compounds 2.1 The Structure of the Atom
... 2.1b Atomic Number, Mass Number, and Atomic Symbols Atoms of each element can be distinguished by the number of protons in the nucleus. The atomic number (Z) of an element is equal to the number of protons in the nucleus. For example, a carbon atom has six protons in its nucleus, and therefore carbo ...
... 2.1b Atomic Number, Mass Number, and Atomic Symbols Atoms of each element can be distinguished by the number of protons in the nucleus. The atomic number (Z) of an element is equal to the number of protons in the nucleus. For example, a carbon atom has six protons in its nucleus, and therefore carbo ...
Periodic Table Jeopardy
... substances by chemical means. All atoms in this substance have the same atomic #. ...
... substances by chemical means. All atoms in this substance have the same atomic #. ...
Gateway Chemistry Review (Answer Key) Structure and Properties
... o Increasing temperature will make a gas less soluble in liquid. o Decreasing temperature will make a gas more soluble in a liquid. o Increasing pressure will make a gas more soluble in a liquid. o Decreasing pressure will make a gas less soluble in a liquid. ...
... o Increasing temperature will make a gas less soluble in liquid. o Decreasing temperature will make a gas more soluble in a liquid. o Increasing pressure will make a gas more soluble in a liquid. o Decreasing pressure will make a gas less soluble in a liquid. ...
5 - BrainMass
... smaller than that for a 3p electron. In light of this fact, which orbital is higher in energy? b. Would you expect it to require more or less energy to remove a 3s electron from the chlorine atom, as compared with a 2p electron? Explain. ...
... smaller than that for a 3p electron. In light of this fact, which orbital is higher in energy? b. Would you expect it to require more or less energy to remove a 3s electron from the chlorine atom, as compared with a 2p electron? Explain. ...
Ch. 02 - HCC Learning Web
... • Atoms of the various elements differ in number of subatomic particles • An element’s atomic number is the number of protons in its nucleus • An element’s mass number is the sum of protons plus neutrons in the nucleus • Atomic mass, the atom’s total mass, can be approximated by the mass number ...
... • Atoms of the various elements differ in number of subatomic particles • An element’s atomic number is the number of protons in its nucleus • An element’s mass number is the sum of protons plus neutrons in the nucleus • Atomic mass, the atom’s total mass, can be approximated by the mass number ...
Balancing a Chemical Equation
... 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 ...
Balancing a Chemical Equation
... 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 ...
AP Chemistry Placement Test To be successful in AP Chemistry
... different physical properties and different chemical properties. different physical properties and the same chemical properties. the same physical properties and different chemical properties. the same physical properties and the same chemical properties. ...
... different physical properties and different chemical properties. different physical properties and the same chemical properties. the same physical properties and different chemical properties. the same physical properties and the same chemical properties. ...
AP Chemistry 2013 Semester 1 Final Exam Review Problems
... b. What is the molecular formula of this substance? c. Draw the Lewis structure of the molecule using the fact that the Cl atoms bond to a single C atom, there is a C-C bond, and two C-O bonds in the compound. 17. Draw the Lewis structures for BH3 and NH3. a. What is the bond angle around the centra ...
... b. What is the molecular formula of this substance? c. Draw the Lewis structure of the molecule using the fact that the Cl atoms bond to a single C atom, there is a C-C bond, and two C-O bonds in the compound. 17. Draw the Lewis structures for BH3 and NH3. a. What is the bond angle around the centra ...
Name________________ Hour____ Chapter 11 Review 1. Name
... Mass cannot be created or destroyed. In a balanced chemical equation you need to start and end with the same number of atoms of each element. ...
... Mass cannot be created or destroyed. In a balanced chemical equation you need to start and end with the same number of atoms of each element. ...
balancing eqns teacher
... 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 ...
Formulae and equations
... as atoms in the free state i.e. hydrogen H2, oxygen O2, nitrogen N2, fluorine F2, chlorine Cl2, bromine Br2 and iodine I2. N.B. ionic compounds (e.g. sodium chloride) DO NOT exist as molecules. ...
... as atoms in the free state i.e. hydrogen H2, oxygen O2, nitrogen N2, fluorine F2, chlorine Cl2, bromine Br2 and iodine I2. N.B. ionic compounds (e.g. sodium chloride) DO NOT exist as molecules. ...
2003
... Substance C conducts electricity in solid and molten states due to free (delocalised) electrons which can move freely through the lattice. Substance D does not conduct electricity in the solid state because ions are fixed. However, when molten, the ions are mobile, free to move and conduct electrici ...
... Substance C conducts electricity in solid and molten states due to free (delocalised) electrons which can move freely through the lattice. Substance D does not conduct electricity in the solid state because ions are fixed. However, when molten, the ions are mobile, free to move and conduct electrici ...