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Ch3 notes - Midway ISD
... Dalton’s Atomic Theory 1) Atoms 2) Atoms of an element are the same (mass, size, etc), atoms of different atoms are different 3) Atoms can’t be divided 4) Atoms combine in ratios to form compounds 5) Atoms combine, separate, or rearrange ...
... Dalton’s Atomic Theory 1) Atoms 2) Atoms of an element are the same (mass, size, etc), atoms of different atoms are different 3) Atoms can’t be divided 4) Atoms combine in ratios to form compounds 5) Atoms combine, separate, or rearrange ...
MIDTERM EXAM – JANUARY, 2003
... 73. Describe how ionization energy changes as you move across the periodic table. 74. Describe how electronegativity changes as you move across the periodic table. 75. The transition metals occupy the ______________ block of the periodic table 76. The alkali metals and alkaline earth metals occupy t ...
... 73. Describe how ionization energy changes as you move across the periodic table. 74. Describe how electronegativity changes as you move across the periodic table. 75. The transition metals occupy the ______________ block of the periodic table 76. The alkali metals and alkaline earth metals occupy t ...
File first semester final study guide key
... 2. How did Rutherford’s model of the atom differ from Thomson’s plum pudding model? Rutherford had a positively charged nucleus at the center of the atom. Thomson had positive charges spread throughout the entire atom. 3. What were two main conclusions of Rutherford’s gold foil experiment? 1. The at ...
... 2. How did Rutherford’s model of the atom differ from Thomson’s plum pudding model? Rutherford had a positively charged nucleus at the center of the atom. Thomson had positive charges spread throughout the entire atom. 3. What were two main conclusions of Rutherford’s gold foil experiment? 1. The at ...
Topics on Chapter 10 Test: The Mole
... 18. Determine the molecular formula for compound having the following analyses: 54.53 % carbon, 9.15 % hydrogen, 36.32 % oxygen; molar mass of molecular formula 88 g. ...
... 18. Determine the molecular formula for compound having the following analyses: 54.53 % carbon, 9.15 % hydrogen, 36.32 % oxygen; molar mass of molecular formula 88 g. ...
- Palisades School District
... 2. The oxidation number of a monatomic ion equal the charge on the ion. 3. The more electronegative element in a binary compound is assigned the number equal to the charge it would have if it were an ion. 4. The oxidation number of fluorine in a compound is always –1 5. Oxygen has an oxidation numbe ...
... 2. The oxidation number of a monatomic ion equal the charge on the ion. 3. The more electronegative element in a binary compound is assigned the number equal to the charge it would have if it were an ion. 4. The oxidation number of fluorine in a compound is always –1 5. Oxygen has an oxidation numbe ...
Unit 01 Qual Chem
... Physical Change = a change that does not alter the identity of a substance (shape, size, state) Chemical Change = a change in which one or more substances are converted into substances with different chemical properties ...
... Physical Change = a change that does not alter the identity of a substance (shape, size, state) Chemical Change = a change in which one or more substances are converted into substances with different chemical properties ...
Atomic Theories- Part I - Tenafly Public Schools
... 2. Atoms of the same element are identical. The atoms of any one element are different from those of any other element. ...
... 2. Atoms of the same element are identical. The atoms of any one element are different from those of any other element. ...
- Jersey College For Girls
... Q9. When lithium is burned in air, the two compounds lithium oxide (Li2O) and lithium nitride (Li3N) are formed. Both compounds are ionic and their ions can be represented by dot and cross diagrams. The dot and cross diagram for the ions in lithium oxide is ...
... Q9. When lithium is burned in air, the two compounds lithium oxide (Li2O) and lithium nitride (Li3N) are formed. Both compounds are ionic and their ions can be represented by dot and cross diagrams. The dot and cross diagram for the ions in lithium oxide is ...
Atomic Masses
... The most accurate method of comparing masses of atoms is by using the mass spectrometer. The mass spectrometer knocks electrons off the atoms or molecules being analyzed and changes them into positive ions. An applied electric field then accelerates these ions into a magnetic field. An accelerating ...
... The most accurate method of comparing masses of atoms is by using the mass spectrometer. The mass spectrometer knocks electrons off the atoms or molecules being analyzed and changes them into positive ions. An applied electric field then accelerates these ions into a magnetic field. An accelerating ...
File - docstover.org
... Students will be able to describe characteristics of a molecular compound and how a covalent bond forms at an atomic level. Students will be able to describe characteristics of an ionic compound and how an ionic bond forms at an atomic level. ...
... Students will be able to describe characteristics of a molecular compound and how a covalent bond forms at an atomic level. Students will be able to describe characteristics of an ionic compound and how an ionic bond forms at an atomic level. ...
HW-1-Ch1-Atomic-structure-W16
... 35. Penetration & Shielding of an Electron in multi-electron atom and how does it affect the filling order as given by “Building Up” principle? ...
... 35. Penetration & Shielding of an Electron in multi-electron atom and how does it affect the filling order as given by “Building Up” principle? ...
Energy Atoms and Elements Practice Problems
... C) the average mass of all of the naturally occurring isotopes of the element D) a weighted average mass of all of the naturally occurring isotopes of the element ...
... C) the average mass of all of the naturally occurring isotopes of the element D) a weighted average mass of all of the naturally occurring isotopes of the element ...
Unit 3 Practice Test
... Use the following information to answer the next two questions. Consider the following information: (Each substance below is represented by the letter to its left.) ...
... Use the following information to answer the next two questions. Consider the following information: (Each substance below is represented by the letter to its left.) ...
Stuff Matters Handout
... object. Matter is sometimes related to light and electromagnetic radiation. Even though matter can be found all over the Universe, you only find it in a few forms. As of 1995, scientists have identified five physical states of matter (we will be concerned with only three). Each of those states is so ...
... object. Matter is sometimes related to light and electromagnetic radiation. Even though matter can be found all over the Universe, you only find it in a few forms. As of 1995, scientists have identified five physical states of matter (we will be concerned with only three). Each of those states is so ...
CP-Chem Ch 3 PowerPoint(Atomic Theory
... atomic theory that he created using the laws of matter and previously known atomic theory • 1) All matter is composed of atoms • 2) All atoms of a given element are identical in size, mass, and other properties • 3) Atoms can not be divided, created or destroyed • 4) Atoms of different elements comb ...
... atomic theory that he created using the laws of matter and previously known atomic theory • 1) All matter is composed of atoms • 2) All atoms of a given element are identical in size, mass, and other properties • 3) Atoms can not be divided, created or destroyed • 4) Atoms of different elements comb ...
Final Exam Review
... A. there are two energy sublevels B. the f sublevel has 7 orbitals C. there are 3 s orbitals D. a maximum of 18 electrons are allowed ...
... A. there are two energy sublevels B. the f sublevel has 7 orbitals C. there are 3 s orbitals D. a maximum of 18 electrons are allowed ...
know thy reference tables!
... (1) nonmetallic properties and atomic radius (2) nonmetallic properties and ionization energy (3) metallic properties and atomic radius (4) metallic properties and ionization energy An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has ...
... (1) nonmetallic properties and atomic radius (2) nonmetallic properties and ionization energy (3) metallic properties and atomic radius (4) metallic properties and ionization energy An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has ...
Boron Group Compounds Oxidation States Boron
... • Hexagonal boron nitride exists as layers of fused rings, similar in structure to graphite • In these assemblies, boron atoms lie directly over nitrogen atoms ...
... • Hexagonal boron nitride exists as layers of fused rings, similar in structure to graphite • In these assemblies, boron atoms lie directly over nitrogen atoms ...
Chemistry FINAL: CONTENT Review Packet
... 6. What name is given to the following? a. Group #1 Elements: ________________________ b. Group #2 Elements: ________________________ c. Group #18 Elements: _______________________ ...
... 6. What name is given to the following? a. Group #1 Elements: ________________________ b. Group #2 Elements: ________________________ c. Group #18 Elements: _______________________ ...
Elements, Compounds, and Mixtures
... • nickel (Ni) (silver) • carbon (C) (black) • hydrogen (H) (white) • oxygen (O) (red) • nitrogen (N) (blue) ...
... • nickel (Ni) (silver) • carbon (C) (black) • hydrogen (H) (white) • oxygen (O) (red) • nitrogen (N) (blue) ...
Ch 4 - USD305.com
... – Outermost electrons found in energy levels=valence electrons – First energy level can hold 2 electrons, all after that can hold 8 electrons ...
... – Outermost electrons found in energy levels=valence electrons – First energy level can hold 2 electrons, all after that can hold 8 electrons ...
Chapter 2
... In order to write the chemical formula of Ionic Compound you must make the total charge of the compounds equals zero (Electrically neutral) To do so……the following equation must be satisfied: (Number of cationic atoms x their charge) + (Number of anionic atoms x their charge) =0 ...
... In order to write the chemical formula of Ionic Compound you must make the total charge of the compounds equals zero (Electrically neutral) To do so……the following equation must be satisfied: (Number of cationic atoms x their charge) + (Number of anionic atoms x their charge) =0 ...
Chemistry Content Standards
... physical processes. a. Compare and contrast atomic/molecular motion in solids, liquids, gases, and plasmas. b. Collect data and calculate the amount of heat given off or taken in by chemical or physical processes. c. Analyzing (both conceptually and quantitatively) flow of energy during change of st ...
... physical processes. a. Compare and contrast atomic/molecular motion in solids, liquids, gases, and plasmas. b. Collect data and calculate the amount of heat given off or taken in by chemical or physical processes. c. Analyzing (both conceptually and quantitatively) flow of energy during change of st ...
Atomic Structure Notes
... Dalton’s Atomic Theory (1808) 1. Elements are composed of extremely small particles called atoms. 2. All atoms of a given element are identical, having the same size, mass and chemical properties. 3. The atoms of one element are different from the atoms of all other elements. 4. Atoms of one elemen ...
... Dalton’s Atomic Theory (1808) 1. Elements are composed of extremely small particles called atoms. 2. All atoms of a given element are identical, having the same size, mass and chemical properties. 3. The atoms of one element are different from the atoms of all other elements. 4. Atoms of one elemen ...
CHEMICAL REACTION
... elements. There are also polyatomic elements such as S8.) • Do not change the subscripts in compounds once the correct formulas are written. ...
... elements. There are also polyatomic elements such as S8.) • Do not change the subscripts in compounds once the correct formulas are written. ...