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chemistry i - surrattchemistry
... 32. Diamond, graphite, and silicon dioxide all exhibit which type of intermolecular force? a. metallic b. network covalent c. ionic d. hydrogen e. dipole-dipole 33. Which of the following compounds contains polar bonds, yet the molecule itself is nonpolar? B. ...
... 32. Diamond, graphite, and silicon dioxide all exhibit which type of intermolecular force? a. metallic b. network covalent c. ionic d. hydrogen e. dipole-dipole 33. Which of the following compounds contains polar bonds, yet the molecule itself is nonpolar? B. ...
Matter
... Elements can join together to form all the different types of matter. That is why they are called the building blocks of matter. Elements can join together chemically to form compounds. Compounds are substances made of 2 or more elements which combine in a chemical reaction. The smallest unit of a c ...
... Elements can join together to form all the different types of matter. That is why they are called the building blocks of matter. Elements can join together chemically to form compounds. Compounds are substances made of 2 or more elements which combine in a chemical reaction. The smallest unit of a c ...
CHEMISTRY The Central Science 9th Edition
... -Usually for the simplicity, we represent the elements by symbols, using the initial letter of the name in capital form, starting by the old known elements, so Carbon is represented by the letter C, but Calcium is represented by the symbol Ca and Cobalt by the symbol Co, ……, Nitrogen is represented ...
... -Usually for the simplicity, we represent the elements by symbols, using the initial letter of the name in capital form, starting by the old known elements, so Carbon is represented by the letter C, but Calcium is represented by the symbol Ca and Cobalt by the symbol Co, ……, Nitrogen is represented ...
File - Flipped Out Science with Mrs. Thomas!
... Chemical symbol – a shorthand method of representing an element. Instead of writing out the name of an element, we represent an element name with one or two letters. Coefficient - the numbers placed before the elements in a chemical equation Compound – a chemical substance consisting of two or more ...
... Chemical symbol – a shorthand method of representing an element. Instead of writing out the name of an element, we represent an element name with one or two letters. Coefficient - the numbers placed before the elements in a chemical equation Compound – a chemical substance consisting of two or more ...
File - Flipped Out Science with Mrs. Thomas!
... Chemical symbol – a shorthand method of representing an element. Instead of writing out the name of an element, we represent an element name with one or two letters. Coefficient - the numbers placed before the elements in a chemical equation Compound – a chemical substance consisting of two or more ...
... Chemical symbol – a shorthand method of representing an element. Instead of writing out the name of an element, we represent an element name with one or two letters. Coefficient - the numbers placed before the elements in a chemical equation Compound – a chemical substance consisting of two or more ...
Atomic number
... Which of these describes a pollution-producing process that involves only a physical change? a) Coal with a high sulfur content is burned, producing gases that cause acid rain. b) Chlorofluorocarbons are released, changing ozone in the upper atmosphere into oxygen. c) Hot wastewater is discharged i ...
... Which of these describes a pollution-producing process that involves only a physical change? a) Coal with a high sulfur content is burned, producing gases that cause acid rain. b) Chlorofluorocarbons are released, changing ozone in the upper atmosphere into oxygen. c) Hot wastewater is discharged i ...
formula mass.
... Amedeo Avogadro who discovered that a mole of any gas under the same conditions has the same number of molecules. Johann Josef Loschmidt, a German physicist, named and discovered the Avogadro number. Loschmidt realized that a mole of any substance—be it a gas, liquid, or solid— contains 6.02 x 1 ...
... Amedeo Avogadro who discovered that a mole of any gas under the same conditions has the same number of molecules. Johann Josef Loschmidt, a German physicist, named and discovered the Avogadro number. Loschmidt realized that a mole of any substance—be it a gas, liquid, or solid— contains 6.02 x 1 ...
Chapter 5
... general organization of the table, rows (periods) and columns (groups) main group, transition metals, lanthanides, actinides valence electrons for main group elements alkali metals, alkali earth metals, halogens, noble gases metals, nonmetals, metalloids (semimetals); general properties and location ...
... general organization of the table, rows (periods) and columns (groups) main group, transition metals, lanthanides, actinides valence electrons for main group elements alkali metals, alkali earth metals, halogens, noble gases metals, nonmetals, metalloids (semimetals); general properties and location ...
Review for second exam:
... general organization of the table, rows (periods) and columns (groups) main group, transition metals, lanthanides, actinides valence electrons for main group elements alkali metals, alkali earth metals, halogens, noble gases metals, nonmetals, metalloids (semimetals); general properties and location ...
... general organization of the table, rows (periods) and columns (groups) main group, transition metals, lanthanides, actinides valence electrons for main group elements alkali metals, alkali earth metals, halogens, noble gases metals, nonmetals, metalloids (semimetals); general properties and location ...
Topic 2
... on the ion is used. This often occurs with transition elements. Na+ sodium ion Ca2+ calcium ion Fe2+ iron (II) ion Fe3+ iron (III) ion Older name: higher ox state (charge) – ic, / lower, -ous Fe3+ ferric ion Fe2+ ferrous ion Cu2+ cupric ion Cu+ cuprous ion Hg2+ mercuric ion Hg22+ mercurous ion also ...
... on the ion is used. This often occurs with transition elements. Na+ sodium ion Ca2+ calcium ion Fe2+ iron (II) ion Fe3+ iron (III) ion Older name: higher ox state (charge) – ic, / lower, -ous Fe3+ ferric ion Fe2+ ferrous ion Cu2+ cupric ion Cu+ cuprous ion Hg2+ mercuric ion Hg22+ mercurous ion also ...
File
... • The symbol for the positive element is written first, followed by the symbol of the negative element • Subscripts are used to indicate the numbers of ions needed to produce an electrically neutral compound. • Example calcium chloride – calcium is Ca2+ and chlorine is Cl– there needs to be two nega ...
... • The symbol for the positive element is written first, followed by the symbol of the negative element • Subscripts are used to indicate the numbers of ions needed to produce an electrically neutral compound. • Example calcium chloride – calcium is Ca2+ and chlorine is Cl– there needs to be two nega ...
Semester 1 Final Exam Study Guide
... 17. Give the result of each of the following calculations in the correct number of significant figures. ...
... 17. Give the result of each of the following calculations in the correct number of significant figures. ...
Matter and Energy
... Properties of Matter Practice 1. Describe each of the following properties as physical or chemical: a. neon is a color gas at room temperature b. apple slices turn brown when exposed to air c. phosphorus will ignite when exposed to air d. at room temperature, mercury is a liquid e. propane gas is c ...
... Properties of Matter Practice 1. Describe each of the following properties as physical or chemical: a. neon is a color gas at room temperature b. apple slices turn brown when exposed to air c. phosphorus will ignite when exposed to air d. at room temperature, mercury is a liquid e. propane gas is c ...
Chapter 2
... • In this series of elements, the mass number (A) varies but the atomic number (Z) is constant. • This means that we are looking at a series of isotopes. ...
... • In this series of elements, the mass number (A) varies but the atomic number (Z) is constant. • This means that we are looking at a series of isotopes. ...
Chapter 10 The Periodic Law
... 10-16. Naming Compounds •A compound ending in -ide usually is composed of only two elements. Hydroxides which contain the OH- ion are an exception. Sodium Chloride=NaCl •A compound ending in -ate contains oxygen and two or more other elements. Calcium Sulfate=CaSO4 ...
... 10-16. Naming Compounds •A compound ending in -ide usually is composed of only two elements. Hydroxides which contain the OH- ion are an exception. Sodium Chloride=NaCl •A compound ending in -ate contains oxygen and two or more other elements. Calcium Sulfate=CaSO4 ...
Chemical Equations and Reactions
... The negative ion of one compound replaces the negative ion of the other compound to form 2 new compounds. Usually forms a precipitate, water or a gas. ...
... The negative ion of one compound replaces the negative ion of the other compound to form 2 new compounds. Usually forms a precipitate, water or a gas. ...
Review Unit - hrsbstaff.ednet.ns.ca
... 12) calcium 3) cobalt(III) 8) magnesium 13) sulfur 4) nitrogen 9) lithium 14) potassium 5) mercury(II) 10) chlorine 15) tin(IV) 4c) Polyatomic Ions ♠ Poly = many ♠ Polyatomic ions are tightly bound groups of atoms that behave as a unit and carry a charge. Sulfate Ion (SO42-) One sulfur atom and four ...
... 12) calcium 3) cobalt(III) 8) magnesium 13) sulfur 4) nitrogen 9) lithium 14) potassium 5) mercury(II) 10) chlorine 15) tin(IV) 4c) Polyatomic Ions ♠ Poly = many ♠ Polyatomic ions are tightly bound groups of atoms that behave as a unit and carry a charge. Sulfate Ion (SO42-) One sulfur atom and four ...
Review-Semester Final (Part I)
... 18. Which holds its electrons more tightly- metals or nonmetals? How does this affect the properties of each? ...
... 18. Which holds its electrons more tightly- metals or nonmetals? How does this affect the properties of each? ...
Balancing Equations
... everything balances except for O, and there is no way to balance O with a whole number, double all the coefficients and try again. ...
... everything balances except for O, and there is no way to balance O with a whole number, double all the coefficients and try again. ...
File
... 11. Draw and label an atom (include all the parts with charges) 12. Calculate the average atomic mass for copper if 69% has a mass of 63 amu and 31% has a mass of 65 amu. 13. Find the number of protons, neutrons, and electrons in the following: p+ no e- ...
... 11. Draw and label an atom (include all the parts with charges) 12. Calculate the average atomic mass for copper if 69% has a mass of 63 amu and 31% has a mass of 65 amu. 13. Find the number of protons, neutrons, and electrons in the following: p+ no e- ...