Corrine Simpson- Period 9
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Corrine Simpson- Period 9
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Formula mass: Is the sum of the atomic weights of the atoms in the empirical formula of the compound.
Molecular mass: A number equal to the sum of the atomic masses of the atoms in a molecule. The molecular mass gives the mass of a molecule relative to that of the 12C atom, which is taken to have a mass of 12.
Avogadros number: The number (6.022x10^23) of atoms, molecules or particles found in exactly 1 mole of substance.
Molar mass: The mass of one mole of a substance, usually expressed in grams or kilograms.
Molar mass: the mass of one mole of a substance, usually expressed in grams or kilograms
Mole: A chemical mass unit, defined to be 6.022 x 10^23 molecules, atoms, or some other unit. The mass of a mole is the gram formula mass of a substance.
Percent Composition: The mass percent of each element in a compound.
Molecular Formula: An expression which states the number and type of atoms present in a molecule of a substance.
Bond energy: The amount of energy necessary to break one mole of bonds of a given kind (in gas phase). The amount of energy necessary to break one mole of bonds in a substance, dissociating the substance in the gaseous state into atoms of its elements in the gaseous state.
Bond length: The equilibrium distance between the nuclei of two groups or atoms that are bonded to each other.
coordinate covalent bond: Covalent bond in which both shared electrons are furnished by the same species. bond between a Lewis acid and Lewis base.
Covalent bond: Chemical bond formed by the sharing of one or more electron pairs between two atoms.
double bond: Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms.
pi bond: A covalent bond formed between two neighboring atom’s unbounded p-orbitals.
Resonance: The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion.
sigma bond: Bonds resulting from the head-on overlap of atomic orbitals, in which the region of electron sharing is along and (cylindrically) symmetrical to the imaginary line connecting the bonded atoms.
triple bond: Denoted as three parallel lines in a chemical structure diagram.
electron promotion: Valence bond theory ,in chemical bonding. The valence-shell electron configuration of carbon is 2s22px12py1, which suggests that it can form only two bonds to hydrogen atoms
orbital hybridization: Orbital hybridization is the concept of mixing atomic orbitals to form new hybrid orbitals.
polar covalent bonds: Covalent bond in which there is an unsymmetrical distribution of electron density.
polyatomic ion: an ion comprised of two or more atoms
ionic bond: an ionic bond is a chemical link between two atoms caused by the electrostatic force between oppositely-charged ions in an ionic compound
octet rule: many representative elements attain at least a share of 8 electrons in their valence shells when they form molecular or ionic compounds; thre are some limitations.
Corrine Simpson- Period 9
Across:2. | Valence bond theory ,in chemical bonding. The valence-shell electron configuration of carbon is 2s22px12py1, which suggests that it can form only two bonds to hydrogen atoms | 7. | the mass of one mole of a substance, usually expressed in grams or kilograms | 12. | A chemical mass unit, defined to be 6.022 x 10^23 molecules, atoms, or some other unit. The mass of a mole is the gram formula mass of a substance. | 13. | The mass of one mole of a substance, usually expressed in grams or kilograms. | 15. | many representative elements attain at least a share of 8 electrons in their valence shells when they form molecular or ionic compounds; thre are some limitations. | 16. | Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms. | 18. | Denoted as three parallel lines in a chemical structure diagram. | 19. | Bonds resulting from the head-on overlap of atomic orbitals, in which the region of electron sharing is along and (cylindrically) symmetrical to the imaginary line connecting the bonded atoms. |
| | Down:1. | Covalent bond in which both shared electrons are furnished by the same species. bond between a Lewis acid and Lewis base. | 3. | The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion. | 4. | Covalent bond in which there is an unsymmetrical distribution of electron density. | 5. | A number equal to the sum of the atomic masses of the atoms in a molecule. The molecular mass gives the mass of a molecule relative to that of the 12C atom, which is taken to have a mass of 12. | 6. | an ion comprised of two or more atoms | 8. | an ionic bond is a chemical link between two atoms caused by the electrostatic force between oppositely-charged ions in an ionic compound | 9. | The amount of energy necessary to break one mole of bonds of a given kind (in gas phase). The amount of energy necessary to break one mole of bonds in a substance, dissociating the substance in the gaseous state into atoms of its elements in the gaseous state. | 10. | Is the sum of the atomic weights of the atoms in the empirical formula of the compound. | 11. | Chemical bond formed by the sharing of one or more electron pairs between two atoms. | 14. | The equilibrium distance between the nuclei of two groups or atoms that are bonded to each other. | 17. | A covalent bond formed between two neighboring atom’s unbounded p-orbitals. |
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© 2012
PuzzleFast.com, Noncommercial Use Only
Corrine Simpson- Period 9
Across:2. | Valence bond theory ,in chemical bonding. The valence-shell electron configuration of carbon is 2s22px12py1, which suggests that it can form only two bonds to hydrogen atoms | 7. | the mass of one mole of a substance, usually expressed in grams or kilograms | 12. | A chemical mass unit, defined to be 6.022 x 10^23 molecules, atoms, or some other unit. The mass of a mole is the gram formula mass of a substance. | 13. | The mass of one mole of a substance, usually expressed in grams or kilograms. | 15. | many representative elements attain at least a share of 8 electrons in their valence shells when they form molecular or ionic compounds; thre are some limitations. | 16. | Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms. | 18. | Denoted as three parallel lines in a chemical structure diagram. | 19. | Bonds resulting from the head-on overlap of atomic orbitals, in which the region of electron sharing is along and (cylindrically) symmetrical to the imaginary line connecting the bonded atoms. |
| | Down:1. | Covalent bond in which both shared electrons are furnished by the same species. bond between a Lewis acid and Lewis base. | 3. | The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion. | 4. | Covalent bond in which there is an unsymmetrical distribution of electron density. | 5. | A number equal to the sum of the atomic masses of the atoms in a molecule. The molecular mass gives the mass of a molecule relative to that of the 12C atom, which is taken to have a mass of 12. | 6. | an ion comprised of two or more atoms | 8. | an ionic bond is a chemical link between two atoms caused by the electrostatic force between oppositely-charged ions in an ionic compound | 9. | The amount of energy necessary to break one mole of bonds of a given kind (in gas phase). The amount of energy necessary to break one mole of bonds in a substance, dissociating the substance in the gaseous state into atoms of its elements in the gaseous state. | 10. | Is the sum of the atomic weights of the atoms in the empirical formula of the compound. | 11. | Chemical bond formed by the sharing of one or more electron pairs between two atoms. | 14. | The equilibrium distance between the nuclei of two groups or atoms that are bonded to each other. | 17. | A covalent bond formed between two neighboring atom’s unbounded p-orbitals. |
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© 2012
PuzzleFast.com, Noncommercial Use Only