Chemistry 1130

Question 1

transferred from electron to electron in a metal

Answer 1

heat and electrical energy

Question 2

increases in Group IIA metals as ionization energy decreases

Answer 2

atomic radius

Question 3

central metal ion surrounded by a specific number of polar molecules or ions

Answer 3

complex ion

Question 4

measure of an atom’s ability to hold on to its valence electrons

Answer 4

ionization energy

Question 5

their oxides react with water to form alkaline solutions along with hydrogen gas

Answer 5

Group IIA metals

Question 6

give elements their characteristic chemical and physical properties

Answer 6

valence electrons

Question 7

device in which sodium is prepared

Answer 7

Downs cell

Question 8

color of transition-metal compounds is related to the partial filling of these orbitals

Answer 8

d

Question 9

composition of the unit cells in metals since the valence electrons are delocalized

Answer 9

ions

Question 10

Mobile electrons emitting light at many wavelengths cause metallic ___ in metals

Answer 10

luster

Question 11

Alkali metals are not found free in nature because of their _____

Answer 11

high chemical reactivity

Question 12

Alkali metals have a ____ luster and conduct heat and electricity well

Answer 12

silvery

Question 13

Group IA metals are good ____ agents

Answer 13

reducing

Question 14

Mobile electrons in metals roam ___ within a metal crystal

Answer 14

freely

Question 15

When an electron absorbs energy and jumps to a higher energy level, it is said to be ____

Answer 15

excited

Question 16

A method qualitative analysis in which a substance is identified by its flame color is called a ____

Answer 16

flame

Question 17

A compound in which ___ has an oxidation state of -1 is called a peroxide

Answer 17

oxygen

Question 18

Sodium was first prepared by the process of ____

Answer 18

electrolysis

Question 19

Alkaline-earth metals are smaller than their corresponding alkali metals because the higher charge in their nuclei pulls their ____ closer

Answer 19

electrons

Question 20

The third ____ energy for alkaline-earth metals is greater than the amount of energy available in normal chemical reaction

Answer 20

ionization

Question 21

Most alkaline-earth hybrides are ionic and contain h+ ions, except beryllium hybride with its strong ____ bonds

Answer 21

covalent

Question 22

In transition elements, the inner-level ____ change in number from element to element

Answer 22

electrons

Question 23

Transition elements tend to ___ bond with other elements

Answer 23

covalently

Question 24

ionization energy is low for all ___ metals

Answer 24

transition

Question 25

The ions or polar ____ that bond with a metal to form complex ions are called ligands

Answer 25

molecules

Question 26

A body-centered cubic unit cell consists of a central ion surrounded by ____ other ions at the vertices of the cube

Answer 26

eight

Question 27

removing one valence electron from an alkali-metal atom gives the atom the electron configuration of a ____

Answer 27

noble gas

Question 28

The larger and heavier alkali metals should be the better reducing agents, but ___ is the exception

Answer 28

lithium

Question 29

Sodium is so reactive with oxygen that it sometimes forms a ____

Answer 29

peroxide

Question 30

A compound in which oxygen has an oxidation state of -1/2 is called a ____

Answer 30

superoxide

Question 31

Increasing atomic radius causes the pull of an atom's nucleus on its valence electrons to ____

Answer 31

decrease

Question 32

The ___ ionization energy is the energy required to remove an electron from an ion with a +1 charge

Answer 32

second

Question 33

Many compounds of transition elements are attracted by a ____ field

Answer 33

magnetic

Question 34

The highest oxidation number of a transition metal is limited by the total number of ___ electrons available

Answer 34

d and s