1.
4: Be is stable with ..... number of electrons
2.
6: B and Al are stable with..... number of electrons
3.
104.5: bent
4.
107: trigonal pyramidal
5.
109.5: tetrahedral
6.
120: trigonal planar
7.
180: linear
8.
alloy: mixture or solution of metals
brass, sterling silver, stainless steel, etc.
9.
bent: 104.5
10.
bent/angular: 2 atoms bonded to central atom, 1 lone pair
11.
bent/angular: 2 atoms bonded to a central atom, 2 lone pairs
12.
boiling points, bonds: The higher the ....... the stronger the.....
13.
carbon: which element is most commonly the central?
14.
covalent bond: sharing of electrons in a bond
15.
crystal: regular uniform solid atomic orientation
16.
diatomic: when a compound has two atoms
17.
dipole dipole forces: holds polar substances together
18.
electrons: A chemical bond results from the mutual attraction of the nuclei for.....
19.
energy decreases: change of potential energy in the formation of a covalent bond
singe-dating-married
20.
forces between molecules or ions that hold a substance together in the solid or liquid state: Intermolecular forces
21.
formula units: lowest whole number ratio in an ionic substance
22.
holds polar substances together: dipole dipole forces
23.
hybridization: the rearrangement of electrons during bonding
24.
Hydrogen bond: a bond between H in one molecule and F, O, N in another molecule
25.
isomer: same chemical formula with a different structure
26.
lattice energy: the amount of energy required to break an ionic bond
27.
linear: 180
28.
linear: 2 atoms attached to a central atom, 0 lone pairs
29.
malleable, ductile, good conductors of heat and electricity, luster/shiny: properties of metals
30.
metal and non metal: ionic bonding occurs between.....
31.
molecular, metallic, ionic, network covalent: 4 crystal types
32.
molecule: smallest unit for a molecular substance
33.
network covalent: 3 D tetrahedal regular arrangement of atoms
example. diamond (C)
34.
non-polar: even share of electrons
35.
octahedral: 6 atoms bonded to a central atom, 0 lone pair
36.
polar: uneven share of electrons
37.
polar: water is polar/non-polar?
38.
polyatomic: when a compound has more than two atoms
39.
really weak bonds that like low temperature and high pressure
present in all molecular substances (polar and non-polar): London Dispersion Force
40.
resonance: when a double bond in can be in more than one place without changing the molecule or ion
41.
sea of electrons that moves over and through the metallic crystal that holds a metal together: metallic force
42.
sea of shared electrons: metallic bonds result from....
43.
sp: all linear form these hybrids
44.
sp2: trigonal planar and bent 120 form these hybrids
45.
sp3: tetrahedral, bent, and trigonal pyramidal form these hybrids
46.
sp3d: trigonal bipyramidal form these hybrids
47.
sp3d2: octahedral form these hybrids
48.
tetrahedral: 4 atoms bonded to a central atom, 0 lone pairs
49.
tetrahedral: 109.5
50.
third period elements and higher (when the d sub level is available): which elements can have expanded octets?
51.
transfer of electrons, rigid bond, very high melting point, crystal lattice structure: ionic crystal bond
52.
trigonal bipyramidal: 5 atoms bonded to a central atom, 0 lone pair
53.
trigonal planar: 120
54.
trigonal planar: 3 atoms bonded to central atom, 0 lone pairs
55.
trigonal pyramidal: 107
56.
trigonal pyramidal: 3 atoms bonded to a central atom, 1 lone pair
57.
triple bonds: shortest bonds
58.
two metals: metallic bonding occurs between....
59.
VSEPR theory: repulsion between valence electrons surrounding an atom causes the bonding atoms to spread out as much as possible
