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CH: SE CH 1-9
| Question | Answer |
|---|---|
| property that tells if a bond is ionic or covalent | electronegativity |
| absolute zero equals | 0 K or -273.15 C |
| states that position and momentum cannot be measured simultaneously | uncertainty principle |
| states that elements react to achieve a noble-gas electron configuration | octet rule |
| transfer of electrons | ionic bond |
| 2nd law of thermodynamics states that __?__ is always increasing in the universe | entropy |
| subatomic particle that has a negative charge | electron |
| Fluorine, Bromine, and Iodine are in the __?__ group | halogen |
| H2Se has 2 bonding pairs and 2 nonbonding pairs of electrons around the central atom, what type of geometry do H2Se have | angular |
| Molten steel at its melting point is poured into a mold and solidified. Heat of __?__ has occured | fusion |
| states that light is electromagnetic waves traveling in packets of energy | quantum theory of light |
| weakest intermolecular force that exists between all molecules, both polar and nonpolar | london force |
| Boyles Law formula | P1V1=P2V2 |
| Charles Law Formula | V1/T1=V2/T2 |
| Amonton's Law Formula | P1/T1=P2/T2 |
| Combined Gas Law` | P1V1/T1=P2V2/T2 |
| Ideal Gas Law Equation | PV=nRT |
| R in the Ideal Gas Law stands for | 0.0821 L*atm/mol*K |
| Strong intermolecular force found between molecules that contain hydrogn | Hydrogen bond |
| mass of a substance per unit of volume | density |
| Boron, Silicon, and Germanium are what type of element | semimetals |
| Convert 3.51 cm to mm | 35.1 mm |
| Acetone CH2O has 3 bonding pairs of electrons arrayed around the central atom, what geometry is found | Trigonal Planar |
| bond that tends to produce solids that are malleable and ductile | metallic |
| bond that shares one or more electrons | covalent |
| Atoms that have the same element but a difference in the number of particles within the nucleus is known as | isotopes |
| determines the atoms identity | number of protons |
| when a covalent bond has an electron pair that is pulled closer to the more electronegative element is a __?__ bond | polar |
| heat required to raise 1 unit of temperature and 1 unit of mass for a given substance | specific heat |
| What causes the bright, colored lines in the spectrum of glowing hydrogen gas? | electrons dropping from higher to lower energy levels |
| very hard substances that contain covalent bonds but do NOT consist of discrete molecules (diamonds) | covalent networks |
| 3 facts for an exothermic reaction | 1- Products are warmer then reactants 2- Products have less internal energy then reactants 3- Enthalpy change is negative |
| CaBr2 and NaCl have __?__ bond | Ionic |
| the approximate speed of light | 3.00 x 10^8 m/s |
| N2, O2, and CH4 have __?__ bond | covalent |
| Name PCl5 | Phosphorus Pentachloride |
| A + BC -> B + AC is a _?__ reaction | single - displacement |
| outermost electrons that are involved in chemical bonding is known as | valence |
| strongest intermolecular force affecting the element iodine (I2) | London force |
| relates change in internal energy to heat and work | 1st Law of Thermodynamics |
| type of chemical formula that represents the simplest ratio of atoms in a compound | empirical formula |
| Compounds are always a __?__ mixture | homogeneous |
| Mixtures are always a __?__ mixture | heterogeneous |
| __?__ bond shares four electrons | double |
| __?__ bond shares six electrons | triple |
| __?__ bond shares two electrons | single |
| __?__ bond that shares many valence electrons that are in a delocalized cloud | metallic |
| simplest repeating unit in a crystal | unit cell |
| write the formula for Sodium Sulfate | Na2SO4 |
| Magnesium, Calcium, and Barium are in what group | Alkaline Earth Metals |
| moderately strong intermolecular force that exists between neighboring polar molecules due to the attraction of oppositely charged ends | dipole-dipole |
| __?__ cubic arrangement of atoms in a crystal that has the least empty space | face-centered |
| __?__ bond is usually formed between a nonmetal atom and metal atom | ionic |
| __?__ is associated with an objects motion | KE |
| strongest intermolecular force affecting dichloromethane | dipole-dipole force |
| refers to a bonding situation in which electrons are shared by more than two atoms | delocalization |
| a theoretical gas that obeys assumptions of the kinetic theory is the __?__ gas | ideal |
| CO2 has 2 polar bonds that point symmetrically in opposite directions is known as __?__ molecules | nonpolar |
| solid that has a regular, repeating, 3D pattern | Crystalline |
| solid that has no repeating pattern | amorphous |
Created by:
Mrs. Sechrist
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