Chem 400 Chem 150 REVIEW SHEET Amanda R
... Stoichiometry – must be able to balance reactions for any use in a reaction ...
... Stoichiometry – must be able to balance reactions for any use in a reaction ...
Document
... a) nickel + chlorine --- Ni + Cl2 NiCl2 b) aluminum hydroxide --- 2Al(OH)3 Al2O3 + 3H2O c) magnesium sulfate + sodium hydroxide --- MgSO4 + 2NaOH Na2SO4 + Mg(OH)2 d) calcium + water --- Ca + 2H2O Ca(OH)2 + H2 e) lead + sulfuric acid --- Pb + H2SO4 PbSO4 + H2 f) mercury (II) bromide - ...
... a) nickel + chlorine --- Ni + Cl2 NiCl2 b) aluminum hydroxide --- 2Al(OH)3 Al2O3 + 3H2O c) magnesium sulfate + sodium hydroxide --- MgSO4 + 2NaOH Na2SO4 + Mg(OH)2 d) calcium + water --- Ca + 2H2O Ca(OH)2 + H2 e) lead + sulfuric acid --- Pb + H2SO4 PbSO4 + H2 f) mercury (II) bromide - ...
Classification of Matter
... smaller subunits by ordinary chemical processes. 3. Elements are organized by atomic number on the periodic table. 4. Elements are identified by their symbols. ...
... smaller subunits by ordinary chemical processes. 3. Elements are organized by atomic number on the periodic table. 4. Elements are identified by their symbols. ...
Midterm Review
... Carbon-12 has how many protons, neutrons, and electrons (assume it’s neutral)? ...
... Carbon-12 has how many protons, neutrons, and electrons (assume it’s neutral)? ...
Slide 1
... 19. Which set of elements contains a metalloid? 1. K, Mn, As, Ar 2. Li, Mg, Ca, Kr 3. Ba, Ag, Sn, Xe 4. Fr, F, O, Rn ...
... 19. Which set of elements contains a metalloid? 1. K, Mn, As, Ar 2. Li, Mg, Ca, Kr 3. Ba, Ag, Sn, Xe 4. Fr, F, O, Rn ...
Review for Midyear - 1 KEY - Ms. Robbins` PNHS Science Classes
... Observational data include that binary ionic substances (i.e., substances that have ionic bonds), when pure, are crystalline salts at room temperature (common examples include NaCl, KI, Fe 2O3); and substances that are liquids and gases at room temperature are usually made of molecules that have c ...
... Observational data include that binary ionic substances (i.e., substances that have ionic bonds), when pure, are crystalline salts at room temperature (common examples include NaCl, KI, Fe 2O3); and substances that are liquids and gases at room temperature are usually made of molecules that have c ...
Chemistry 1 Revision: Metals and their uses
... Complete the following using the periodic table to help: H2O: ........... atoms of h.......................... .......... atoms of o....................... ...
... Complete the following using the periodic table to help: H2O: ........... atoms of h.......................... .......... atoms of o....................... ...
Chapter 8 - TeacherWeb
... CHAPTER 8 Section 2- Compounds, Chemical Formulas, and Covalent bonds ...
... CHAPTER 8 Section 2- Compounds, Chemical Formulas, and Covalent bonds ...
Chemistry-Chapter 2 Lecture Notes Page
... - Stable if valence is full - Reactive/unstable if incomplete valence ...
... - Stable if valence is full - Reactive/unstable if incomplete valence ...
Chemistry Notes with Blanks
... An atom (or group of atoms) that gains or loses electrons has an electrical charge and is called an ion. An ion is a charged _________ made of atoms. The attractive force between two ions of opposite charge is known as an _________ bond. ...
... An atom (or group of atoms) that gains or loses electrons has an electrical charge and is called an ion. An ion is a charged _________ made of atoms. The attractive force between two ions of opposite charge is known as an _________ bond. ...
File - Science With BLT
... What is the formula for the compound formed by calcium ions and chloride ions? a. CaCl c. CaCl3 b. Ca2Cl d. CaCl2 What is the formula for the compound formed by lead(II) ions and chromate ions? a. PbCrO4 c. Pb2(CrO4)3 b. Pb2CrO4 d. Pb(CrO4)2 What is the formula for aluminum sulfate? a. AlSO4 c. Al2( ...
... What is the formula for the compound formed by calcium ions and chloride ions? a. CaCl c. CaCl3 b. Ca2Cl d. CaCl2 What is the formula for the compound formed by lead(II) ions and chromate ions? a. PbCrO4 c. Pb2(CrO4)3 b. Pb2CrO4 d. Pb(CrO4)2 What is the formula for aluminum sulfate? a. AlSO4 c. Al2( ...
1305- practise exam 2
... B) Ternary ionic C) Binary molecular D) Binary acid -------12. What is the term for a single atom bearing a positive or a negative charge as the result of gaining or losing valence electrons? A) Anion B) Cation C) Monoatomic ion D) Polyatomic ion -------13. The compound Na2SO4 is classified as which ...
... B) Ternary ionic C) Binary molecular D) Binary acid -------12. What is the term for a single atom bearing a positive or a negative charge as the result of gaining or losing valence electrons? A) Anion B) Cation C) Monoatomic ion D) Polyatomic ion -------13. The compound Na2SO4 is classified as which ...
Chapter 19: Molecules and Compounds
... Positive ion is Magnesium Negative ion is Carbonate (see chart) The name is Magnesium Carbonate ...
... Positive ion is Magnesium Negative ion is Carbonate (see chart) The name is Magnesium Carbonate ...
Year 11 Chemistry Balancing Equations
... • Write the word equation for the reaction. • Directly underneath the word equation, write the unbalanced formula equation. ...
... • Write the word equation for the reaction. • Directly underneath the word equation, write the unbalanced formula equation. ...
AP Chem Test 5-7 Practice Exam - mvhs
... 2. The table above shows the first three ionization energies for atoms of four elements from the third period of the periodic table. The elements are numbered randomly. Use the information in the table to answer the following questions. (a) Which element is most metallic in character? Explain your r ...
... 2. The table above shows the first three ionization energies for atoms of four elements from the third period of the periodic table. The elements are numbered randomly. Use the information in the table to answer the following questions. (a) Which element is most metallic in character? Explain your r ...
AP Unit 0: Chemical Foundations
... ◦ in both weight and chemical properties. ◦ Each element is unique ...
... ◦ in both weight and chemical properties. ◦ Each element is unique ...
heats of reaction
... 8.) One of the most widespread environmental carcinogens is benzo[α]pyrene (mm = 252.30 g/mole). It is found in coal dust, cigarette smoke, and in charcoal grilled meat. Analysis of this hydrocarbon shows 95.21 mass % carbon and 4.79 mass % hydrogen. What is the empirical formula of benzo[α]pyrene? ...
... 8.) One of the most widespread environmental carcinogens is benzo[α]pyrene (mm = 252.30 g/mole). It is found in coal dust, cigarette smoke, and in charcoal grilled meat. Analysis of this hydrocarbon shows 95.21 mass % carbon and 4.79 mass % hydrogen. What is the empirical formula of benzo[α]pyrene? ...
Chemical Reactions
... 4. Check your answer to see if: • The numbers of atoms on both sides of the equation are now balanced. • The coefficients are in the lowest possible whole number ratios. (reduced) ...
... 4. Check your answer to see if: • The numbers of atoms on both sides of the equation are now balanced. • The coefficients are in the lowest possible whole number ratios. (reduced) ...
FE Review Chemistry - UTSA College of Engineering
... • Element: a substance only composed of one type of atom • Isotope: element with the same number of protons but different atomic masses ...
... • Element: a substance only composed of one type of atom • Isotope: element with the same number of protons but different atomic masses ...
CHAPTER 2
... potassium hydroxide barium hydroxide aluminum hydroxide iron (II) hydroxide iron (III) hydroxide ...
... potassium hydroxide barium hydroxide aluminum hydroxide iron (II) hydroxide iron (III) hydroxide ...
Types of Chemical Reactions - Celebrity Examples
... y Emission of heat and y Giving off light y Formation of a precipitate y Formation of a gas y Color change ...
... y Emission of heat and y Giving off light y Formation of a precipitate y Formation of a gas y Color change ...
primes - The Institute of Mathematical Sciences
... If you find this awesome, think of how many years it took before chemists discovered the atomic formula H2O for water! ...
... If you find this awesome, think of how many years it took before chemists discovered the atomic formula H2O for water! ...
Pre-Knowledge: Chemistry and Physics Vocabulary Atomic Number
... The sum of the number of neutrons and protons in the nucleus of an atom. Nucleus The small “core” of the atom, where most of its mass and all of its positive charge is concentrated. Except for ordinary hydrogen (which has only a proton), atomic nuclei consist of protons and neutrons. For this reason ...
... The sum of the number of neutrons and protons in the nucleus of an atom. Nucleus The small “core” of the atom, where most of its mass and all of its positive charge is concentrated. Except for ordinary hydrogen (which has only a proton), atomic nuclei consist of protons and neutrons. For this reason ...