2-Chemical Bonding

Question 1

Electronegativity

Answer 1

measure of attraction of an atom for shared electrons in a covalent bond

Question 2

Pi Bond

Answer 2

sideways overlap of p-orbitals

Question 3

Sigma Bond

Answer 3

head-on overlap of orbitals

Question 4

Intermolecular

Answer 4

forces between molecules

Question 5

Ionic Bonding

Answer 5

bond between oppositely-charged ions

Question 6

Polar Covalent Bonding

Answer 6

unequal sharing of bonding electrons or bond had sligh positive and slight negative ends

Question 7

Intramolecular

Answer 7

forced between atoms in a molecule

Question 8

Covalent Bond

Answer 8

involving the sharing of one or more pairs of electrons

Question 9

Compound

Answer 9

dingle substance made of two or more different elements

Question 10

Dipole-Dipole Forces

Answer 10

attraction between polar molecules

Question 11

Hydrogen Bonds

Answer 11

particular dip-dip for molecules where H is bondedto N, O or F

Question 12

Ion

Answer 12

charged atom or group of atoms

Question 13

Octet Rule (of thumb)

Answer 13

when bonding, atoms tend to reach an electron configuration with eight electrons in the outermost energy level

Question 14

Van der Waals Forces

Answer 14

weak sttracction between non-polar molecules due to temporary dipoles

Question 15

Valency

Answer 15

number of H atoms with which each atom of the element combines

Question 16

Transition Metal

Answer 16

forms at least one ion with a partially filled d sub-level

Question 17

Molecule

Answer 17

ground of covalent bonded atoms which is the smallest particle of an element or compound that can exist independdently