Bonding and Nomenclature
... 2. Predict formulas for stable ionic compounds (binary and tertiary) based on balance of charges. 3. Use IUPAC nomenclature for both chemical names and formulas: •Ionic compounds (Binary and tertiary) •Covalent compounds (Binary and tertiary) 4. Apply concepts of the mole and Avogadro’s number to co ...
... 2. Predict formulas for stable ionic compounds (binary and tertiary) based on balance of charges. 3. Use IUPAC nomenclature for both chemical names and formulas: •Ionic compounds (Binary and tertiary) •Covalent compounds (Binary and tertiary) 4. Apply concepts of the mole and Avogadro’s number to co ...
Chemistry Midterm Review Study Guide 2012
... Mendeleev : Credited with the 1st version of the periodic table. Grouped elements according to atomic mass. Predicted the existence and properties of new elements. Rutherford: Gold foil experiment. Discovered atoms have a very tiny dense nucleus with positive change.Most alpha particles passed throu ...
... Mendeleev : Credited with the 1st version of the periodic table. Grouped elements according to atomic mass. Predicted the existence and properties of new elements. Rutherford: Gold foil experiment. Discovered atoms have a very tiny dense nucleus with positive change.Most alpha particles passed throu ...
bonding notes for votech
... Na +1 and F -1 combine to form NaF (1:1 ratio) Na will lose 1e- and F will gain 1eOverall charge on NaF is (+1 + -1 = 0) Swap Charges: Na +1 ...
... Na +1 and F -1 combine to form NaF (1:1 ratio) Na will lose 1e- and F will gain 1eOverall charge on NaF is (+1 + -1 = 0) Swap Charges: Na +1 ...
The Periodic Table
... the core of an atom, called the nucleus The number of protons and neutrons add together to give the mass of the atom – each is designated a mass of 1 amu ...
... the core of an atom, called the nucleus The number of protons and neutrons add together to give the mass of the atom – each is designated a mass of 1 amu ...
8th Grade: First Semester Final Review
... 29. do not form natural compounds 32. nonmetals in your body 30. nonmetal from group 14 33. semiconductors 31. reacts with a metal to form a salt Choose the letter of the term that matches it correctly. Not all terms are used. a. metallic bond e. polar molecule b. electron dot diagram f. ion c. ioni ...
... 29. do not form natural compounds 32. nonmetals in your body 30. nonmetal from group 14 33. semiconductors 31. reacts with a metal to form a salt Choose the letter of the term that matches it correctly. Not all terms are used. a. metallic bond e. polar molecule b. electron dot diagram f. ion c. ioni ...
Test - Chemical Bonding- Practice Test
... ____ 29. the force of attraction between a positive and negative charge ____ 30. the element oxygen will gain two electrons to form a(n) ___________ ____ 31. the arrangement of electrons around the nucleus of an atom in its ground state ____ 32. atom or group of atoms having a positive charge ____ 3 ...
... ____ 29. the force of attraction between a positive and negative charge ____ 30. the element oxygen will gain two electrons to form a(n) ___________ ____ 31. the arrangement of electrons around the nucleus of an atom in its ground state ____ 32. atom or group of atoms having a positive charge ____ 3 ...
BANDS AND BONDS
... (energy gaps). Figure 1.11 shows the discontinuities introduced into the free electron band scheme at the standing wave condition. Several important observations can be made regarding the electron mass and, hence, its ease of motion. The band curvature (second derivative) is both positive and negati ...
... (energy gaps). Figure 1.11 shows the discontinuities introduced into the free electron band scheme at the standing wave condition. Several important observations can be made regarding the electron mass and, hence, its ease of motion. The band curvature (second derivative) is both positive and negati ...
Lecture 3 Chemistry
... Number of electrons in outer shell determines bonding properties chemical behavior ...
... Number of electrons in outer shell determines bonding properties chemical behavior ...
Atomic Structure. Chemical Bonds.
... Outer shells lack 1 electron tendency to pick up such an electron through the strong attraction of the poorly shielded nuclear charge. Metals and Nonmetals: Metals have 1 or several electrons outside the closed shells combine chemically by losing these electrons to nonmetals Nonmetals lack 1 or ...
... Outer shells lack 1 electron tendency to pick up such an electron through the strong attraction of the poorly shielded nuclear charge. Metals and Nonmetals: Metals have 1 or several electrons outside the closed shells combine chemically by losing these electrons to nonmetals Nonmetals lack 1 or ...
4 - College of Arts and Sciences
... A sample of acetominophen (C8H9O2N) has 6.02 x 1023 atoms of Hydrogen. What is the mass in grams of the sample? How many atoms of H in one mole of C8H9O2N ? 9 x (6.02 x 1023) atoms of H Therefore have 1/9 of a mole of acetominophen What is the molecular weight of acetominophen ? ...
... A sample of acetominophen (C8H9O2N) has 6.02 x 1023 atoms of Hydrogen. What is the mass in grams of the sample? How many atoms of H in one mole of C8H9O2N ? 9 x (6.02 x 1023) atoms of H Therefore have 1/9 of a mole of acetominophen What is the molecular weight of acetominophen ? ...
Earth Materials
... – Over 90% of Earth’s crust is composed of minerals from only 5 groups (feldspars, pyroxenes, amphiboles, micas, quartz) ...
... – Over 90% of Earth’s crust is composed of minerals from only 5 groups (feldspars, pyroxenes, amphiboles, micas, quartz) ...
Review Sheet for Chemistry* First Semester Final
... Quantum mechanical model (Werner Heisenberg): Energy levels (n=1, 2, 3, 4,…) – represented by periods on the periodic table Sublevels: (s, p, d, f) – represented by blocks on the periodic table Orbitals – region of space where up to 2 electrons may be found ...
... Quantum mechanical model (Werner Heisenberg): Energy levels (n=1, 2, 3, 4,…) – represented by periods on the periodic table Sublevels: (s, p, d, f) – represented by blocks on the periodic table Orbitals – region of space where up to 2 electrons may be found ...
Covalent Bonding - Effingham County Schools
... Potential energy changes during the formation of a hydrogenhydrogen bond. (a) The separated hydrogen atoms do not affect each other. (b) Potential energy decreases as the atoms are drawn together by attractive forces. (c) Potential energy is at a minimum when attractive forces are balanced by repul ...
... Potential energy changes during the formation of a hydrogenhydrogen bond. (a) The separated hydrogen atoms do not affect each other. (b) Potential energy decreases as the atoms are drawn together by attractive forces. (c) Potential energy is at a minimum when attractive forces are balanced by repul ...
Covalent Bonding - Effingham County Schools
... Potential energy changes during the formation of a hydrogenhydrogen bond. (a) The separated hydrogen atoms do not affect each other. (b) Potential energy decreases as the atoms are drawn together by attractive forces. (c) Potential energy is at a minimum when attractive forces are balanced by repul ...
... Potential energy changes during the formation of a hydrogenhydrogen bond. (a) The separated hydrogen atoms do not affect each other. (b) Potential energy decreases as the atoms are drawn together by attractive forces. (c) Potential energy is at a minimum when attractive forces are balanced by repul ...
Chapter 8 (Hill/Petrucci/McCreary/Perry Electron Configurations and
... Trends in Ionization Energy for IA and IIA Elements (see Table 8.4, p. 320, Hill) What two trends are obvious in this table? 1. I.E. decreases down a group and 2. I2 > I1 Why? I.E. decreases with increasing size (down a group) … electron farther from nucleus and I2 > I1 because electron is removed ...
... Trends in Ionization Energy for IA and IIA Elements (see Table 8.4, p. 320, Hill) What two trends are obvious in this table? 1. I.E. decreases down a group and 2. I2 > I1 Why? I.E. decreases with increasing size (down a group) … electron farther from nucleus and I2 > I1 because electron is removed ...
CHE 1401 - Fall 2013 - Chapter 7 Homework 7 (Chapter 7: Periodic
... 12) Alkali metals tend to be more reactive than alkaline earth metals because __________. A) alkali metals have lower densities B) alkali metals have greater electron affinities C) alkali metals have lower ionization energies D) alkali metals have lower melting points E) alkali metals are not more r ...
... 12) Alkali metals tend to be more reactive than alkaline earth metals because __________. A) alkali metals have lower densities B) alkali metals have greater electron affinities C) alkali metals have lower ionization energies D) alkali metals have lower melting points E) alkali metals are not more r ...
Chemical Bond - Cobb Learning
... Properties of Ionic compounds – Ionic compounds are usually solids at room temperature Melting and Boiling Points – Ionic compounds have much higher melting points and boiling points than covalent compounds –– Ionic compounds typically melt at several hundred degrees Celsius •They exist in a crysta ...
... Properties of Ionic compounds – Ionic compounds are usually solids at room temperature Melting and Boiling Points – Ionic compounds have much higher melting points and boiling points than covalent compounds –– Ionic compounds typically melt at several hundred degrees Celsius •They exist in a crysta ...
Lecture 24 (Slides) October 18
... • When Main Group elements react, electrons can be transferred (usually from a metal to a nonmetal) to form ionic bonds. In other cases, pairs of electrons can be shared (usually between nonmetal atoms) to form covalent bonds. In both cases valence electrons are somehow “rearranged” when new chemica ...
... • When Main Group elements react, electrons can be transferred (usually from a metal to a nonmetal) to form ionic bonds. In other cases, pairs of electrons can be shared (usually between nonmetal atoms) to form covalent bonds. In both cases valence electrons are somehow “rearranged” when new chemica ...
CHAPTER 2 ATOMS, MOLECULES, AND IONS 1 CHAPTER TWO
... a helium atom. Tritium, 3H, and 4He both have 2 neutrons. Assuming neutral atoms, then the number of electrons will be 1 for hydrogen and 2 for helium. d. Water (H2O) is always 1 g hydrogen for every 8 g of O present, while H2O2 is always 1 g hydrogen for every 16 g of O present. These are distinctl ...
... a helium atom. Tritium, 3H, and 4He both have 2 neutrons. Assuming neutral atoms, then the number of electrons will be 1 for hydrogen and 2 for helium. d. Water (H2O) is always 1 g hydrogen for every 8 g of O present, while H2O2 is always 1 g hydrogen for every 16 g of O present. These are distinctl ...
Review 1st Qtr KEY
... 3. For an electron in an atom to change from the ground state to an excited state, a. energy must be released. b. energy must be absorbed. c. radiation must be emitted. d. the electron must make a transition from a higher to a lower energy level. ...
... 3. For an electron in an atom to change from the ground state to an excited state, a. energy must be released. b. energy must be absorbed. c. radiation must be emitted. d. the electron must make a transition from a higher to a lower energy level. ...
Regents questions
... Sample 7.1 Natural gas used in home heating and cooking is odorless. Because natural gas leaks pose the danger of explosion or suffocation, various smelly substances are added to the gas to allow detection of a leak. One such substance is methyl mercaptan, CH3SH. Use Figure 7.6 to predict the lengt ...
... Sample 7.1 Natural gas used in home heating and cooking is odorless. Because natural gas leaks pose the danger of explosion or suffocation, various smelly substances are added to the gas to allow detection of a leak. One such substance is methyl mercaptan, CH3SH. Use Figure 7.6 to predict the lengt ...
Periodic Table Jeopardy
... A substance that cannot be separated or broken down into simpler substances by chemical means. All atoms in this substance have the same atomic #. ...
... A substance that cannot be separated or broken down into simpler substances by chemical means. All atoms in this substance have the same atomic #. ...