Chemistry Test #3

Question 1

ionic - melting point

Answer 1

high

Question 2

ionic - ability to conduct electricity?

Answer 2

only when dissolved or melted

Question 3

ionic - ability to conduct heat?

Answer 3

low

Question 4

ionic - hardness

Answer 4

brittle

Question 5

ionic - are molecules present?

Answer 5

no

Question 6

covalent - melting point

Answer 6

low

Question 7

covalent - ability to conduct electricity?

Answer 7

no

Question 8

covalent - ability to conduct heat?

Answer 8

no

Question 9

covalent - hardness

Answer 9

soft

Question 10

covalent - are molecules present?

Answer 10

yes

Question 11

network - melting point

Answer 11

high

Question 12

network - ability to conduct electricity?

Answer 12

no

Question 13

network - ability to conduct heat?

Answer 13

low

Question 14

network - hardness

Answer 14

hard

Question 15

network - are molecules present

Answer 15

no

Question 16

metallic - melting point

Answer 16

high

Question 17

metallic - ability to conduct electricity

Answer 17

yes

Question 18

metallic - ability to conduct heat

Answer 18

yes

Question 19

metallic - hardness

Answer 19

hard

Question 20

metallic - are molecules present?

Answer 20

no

Question 21

what is a chemical bond

Answer 21

A force that holds two or more atoms together and makes them function as a unit

Question 22

why do elements bond?

Answer 22

stable electron configurations

Question 23

when a bond is formed

Answer 23

energy is released

Question 24

electrolytes

Answer 24

ions in solution that conduct electricity

Question 25

what are network solids

Answer 25

covalent bonds in a 3D formation, no individual molecules

Question 26

what is metallic bonding

Answer 26

metal to metal attraction electrostatic attraction between the sea of valence electrons and the lineup of cations

Question 27

how is metallic bonding like both ionic and covalent bonding?

Answer 27

ionic - electrons disassociate from atoms covalent - share electrons

Question 28

when do polarcovalent bonds occurr?

Answer 28

two differentnon-metals

Question 29

polar covalent - charge distribution

Answer 29

assymetrical

Question 30

shape of polar molecules

Answer 30

linear, bent, pyramidal, tetrahederal

Question 31

intramolecular forces

Answer 31

esxit within a compund (ionic,covalent)

Question 32

intermolecular forces

Answer 32

diapole-diapole,hydrgen bonding

Question 33

how does dipole-dipole occurr

Answer 33

between molecules that have permanent diapoles<-- molecules with polar covalent bonds