midterm exam

Question 1

physical property affected by the crystal lattice of an ionic compound

Answer 1

boiling point
melting point
hardness

Question 2

if an ionic bonds occur between metal and non- metal oxygen ______ are formed

Answer 2

oxide

Question 3

most other ionic compounds are called ____

Answer 3

salts

Question 4

what forms if an ionic solid is dissolved in a solutions so that the ions are free to move and conduct an electric current

Answer 4

electrolyte

Question 5

KmnO4

Answer 5

permanganate

Question 6

(NH4)2O

Answer 6

ammonium oxide

Question 7

clouds of what determine the atomic radius?

Answer 7

Electrons

Question 8

types of bonds between atoms

Answer 8

covalent, ionic, metallic

Question 9

what is a bond character

Answer 9

strong ionic

Question 10

electronegativity _____ determines bond character

Answer 10

difference

Question 11

two or more elements that are chemically combined

Answer 11

compound

Question 12

electrons are involved in chemical reactions

Answer 12

valence

Question 13

when electrons are ____ ionic compounds are formed

Answer 13

transferred

Question 14

elements are becoming ____ when there are full outer shells with electrons

Answer 14

stable

Question 15

in covalent bonding, electron pairs are ____ between non-metal atoms

Answer 15

shared

Question 16

all atoms in a compound except for H and He will have eight outer- shell electrons

Answer 16

octet rule

Question 17

the amount of energy required to remove an electron from an atom

Answer 17

ionization energy

Question 18

do not have electronegative values (filled valence shells)

Answer 18

noble gases

Question 19

what has the highest electronegative value

Answer 19

fluorine

Question 20

what becomes less when atomic radii get larger and become more when they get smaller

Answer 20

electronegativity and ionization energy

Question 21

what is the most reactive non-metal

Answer 21

flourine

Question 22

what is the most reactive metal?

Answer 22

Francium

Question 23

what changes will cause changes in phase

Answer 23

kinetic

Question 24

resistance to liquid flow is called

Answer 24

viscosity

Question 25

tendency of liquids to minimize their surface area

Answer 25

surface tension