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Chemistry-Makayla Ridgeway
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Formula mass: The formula mass of a molecule 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.
Avogadroa number: Avogadro's number is the number of particles found in onemole of a substance. It is the number of atoms in exactly 12 grams ofcarbon-12. This experimentally determined value is approximately 6.022 x 1023 particles per mole.
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 1023 molecules, atoms, or some other unit. The mass of a mole is the gram formula mass of a substance.
Percent composition: Percent composition is the percentage by mass 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: Bond energy is the amount of energy required to break apart a mole of molecules into its component atoms.
bond length: the equilibrium distance between the nuclei of two groups or atoms that are bonded to each other.
coordinate covalent bond: A coordinate bond is a covalent bond between two atoms where one of the atoms provides both electrons that form the bond.
covalent bond: A covalent bond is a chemical link between two atoms in which electrons are shared between them.
double bond: A double bond is a bond where two electron pairs are shared between two atoms.
pi bond: A pi bond is a covalent bondM formed between two neighboring atom's unbonded p-orbitals.
resonance: Description of the ground state of a molecule with delocalized electrons as an average of several Lewis structures. The actual ground state doesn't switch rapidly between the separate structures: it is an average.
sigma bond: Sigma bonds are covalent bonds formed by direct overlapping between two adjacent atom's outermost orbitals. The singleelectrons from each atom's orbital combine to form an electron paircreating the sigma bond.
triple bond: A triple bond is three electron pairs which are shared between two bonded atoms.
electron promotion: A statement describing the populations of electronic energy sublevels of an atom. See the chart of electronic configurations to get the notation for all of the elements.
orbital hybridization: A molecular orbital which is a linear combination of two or more orbitals of comparable energy (such as 2s and 2p orbitals), is concentrated along a certain direction in space, and participates in formation of a directed valence bond.
polar covalent bonds: A polar molecule is a molecule containing polar bonds where the sum of all the bond's dipole moments is not zero.
polyatomic ion: A polyatomic ion is an ion comprised of two or more atoms.
ionic bond: An ionic bond is a chemical link between two atoms caused by the electrostatic forcebetween oppositely-charged ions in an ionic compound.
octet rule: Refers to the principle that bonded atoms share their eight outer electrons. The octet rule is a 'rule' that is sometimes broken.
Chemistry-Makayla Ridgeway
Across:3. | An expression which states the number and type of atoms present in a molecule of a substance. | 4. | A coordinate bond is a covalent bond between two atoms where one of the atoms provides both electrons that form the bond. | 5. | A covalent bond is a chemical link between two atoms in which electrons are shared between them. | 7. | Refers to the principle that bonded atoms share their eight outer electrons. The octet rule is a 'rule' that is sometimes broken. | 11. | A pi bond is a covalent bondM formed between two neighboring atom's unbonded p-orbitals. | 12. | Bond energy is the amount of energy required to break apart a mole of molecules into its component atoms. | 14. | 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. | 16. | The mass of one mole of a substance, usually expressed in grams or kilograms. | 17. | Sigma bonds are covalent bonds formed by direct overlapping between two adjacent atom's outermost orbitals. The singleelectrons from each atom's orbital combine to form an electron paircreating the sigma bond. | 19. | a chemical mass unit, defined to be 6.022 x 1023 molecules, atoms, or some other unit. The mass of a mole is the gram formula mass of a substance. | 20. | A polyatomic ion is an ion comprised of two or more atoms. | 21. | Avogadro's number is the number of particles found in onemole of a substance. It is the number of atoms in exactly 12 grams ofcarbon-12. This experimentally determined value is approximately 6.022 x 1023 particles per mole. | 22. | A molecular orbital which is a linear combination of two or more orbitals of comparable energy (such as 2s and 2p orbitals), is concentrated along a certain direction in space, and participates in formation of a directed valence bond. |
| | Down:1. | An ionic bond is a chemical link between two atoms caused by the electrostatic forcebetween oppositely-charged ions in an ionic compound. | 2. | A polar molecule is a molecule containing polar bonds where the sum of all the bond's dipole moments is not zero. | 6. | the equilibrium distance between the nuclei of two groups or atoms that are bonded to each other. | 8. | A triple bond is three electron pairs which are shared between two bonded atoms. | 9. | Description of the ground state of a molecule with delocalized electrons as an average of several Lewis structures. The actual ground state doesn't switch rapidly between the separate structures: it is an average. | 10. | The formula mass of a molecule is the sum of the atomic weights of the atoms in the empirical formula of the compound. | 13. | Percent composition is the percentage by mass of each element in a compound. | 15. | A statement describing the populations of electronic energy sublevels of an atom. See the chart of electronic configurations to get the notation for all of the elements. | 18. | A double bond is a bond where two electron pairs are shared between two atoms. |
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© 2012
PuzzleFast.com, Noncommercial Use Only
Chemistry-Makayla Ridgeway
Across:3. | An expression which states the number and type of atoms present in a molecule of a substance. | 4. | A coordinate bond is a covalent bond between two atoms where one of the atoms provides both electrons that form the bond. | 5. | A covalent bond is a chemical link between two atoms in which electrons are shared between them. | 7. | Refers to the principle that bonded atoms share their eight outer electrons. The octet rule is a 'rule' that is sometimes broken. | 11. | A pi bond is a covalent bondM formed between two neighboring atom's unbonded p-orbitals. | 12. | Bond energy is the amount of energy required to break apart a mole of molecules into its component atoms. | 14. | 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. | 16. | The mass of one mole of a substance, usually expressed in grams or kilograms. | 17. | Sigma bonds are covalent bonds formed by direct overlapping between two adjacent atom's outermost orbitals. The singleelectrons from each atom's orbital combine to form an electron paircreating the sigma bond. | 19. | a chemical mass unit, defined to be 6.022 x 1023 molecules, atoms, or some other unit. The mass of a mole is the gram formula mass of a substance. | 20. | A polyatomic ion is an ion comprised of two or more atoms. | 21. | Avogadro's number is the number of particles found in onemole of a substance. It is the number of atoms in exactly 12 grams ofcarbon-12. This experimentally determined value is approximately 6.022 x 1023 particles per mole. | 22. | A molecular orbital which is a linear combination of two or more orbitals of comparable energy (such as 2s and 2p orbitals), is concentrated along a certain direction in space, and participates in formation of a directed valence bond. |
| | Down:1. | An ionic bond is a chemical link between two atoms caused by the electrostatic forcebetween oppositely-charged ions in an ionic compound. | 2. | A polar molecule is a molecule containing polar bonds where the sum of all the bond's dipole moments is not zero. | 6. | the equilibrium distance between the nuclei of two groups or atoms that are bonded to each other. | 8. | A triple bond is three electron pairs which are shared between two bonded atoms. | 9. | Description of the ground state of a molecule with delocalized electrons as an average of several Lewis structures. The actual ground state doesn't switch rapidly between the separate structures: it is an average. | 10. | The formula mass of a molecule is the sum of the atomic weights of the atoms in the empirical formula of the compound. | 13. | Percent composition is the percentage by mass of each element in a compound. | 15. | A statement describing the populations of electronic energy sublevels of an atom. See the chart of electronic configurations to get the notation for all of the elements. | 18. | A double bond is a bond where two electron pairs are shared between two atoms. |
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© 2012
PuzzleFast.com, Noncommercial Use Only