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CH: SE CH 1-9

QuestionAnswer
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