Chemistry 1130 Flashcards

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1
Q

transferred from electron to electron in a metal

A

heat and electrical energy

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2
Q

increases in Group IIA metals as ionization energy decreases

A

atomic radius

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3
Q

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

A

complex ion

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4
Q

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

A

ionization energy

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5
Q

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

A

Group IIA metals

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6
Q

give elements their characteristic chemical and physical properties

A

valence electrons

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7
Q

device in which sodium is prepared

A

Downs cell

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8
Q

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

A

d

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9
Q

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

A

ions

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10
Q

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

A

luster

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11
Q

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

A

high chemical reactivity

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12
Q

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

A

silvery

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13
Q

Group IA metals are good ____ agents

A

reducing

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14
Q

Mobile electrons in metals roam ___ within a metal crystal

A

freely

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15
Q

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

A

excited

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16
Q

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

A

flame

17
Q

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

A

oxygen

18
Q

Sodium was first prepared by the process of ____

A

electrolysis

19
Q

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

A

electrons

20
Q

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

A

ionization

21
Q

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

A

covalent

22
Q

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

A

electrons

23
Q

Transition elements tend to ___ bond with other elements

A

covalently

24
Q

ionization energy is low for all ___ metals

A

transition

25
Q

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

A

molecules

26
Q

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

A

eight

27
Q

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

A

noble gas

28
Q

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

A

lithium

29
Q

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

A

peroxide

30
Q

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

A

superoxide

31
Q

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

A

decrease

32
Q

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

A

second

33
Q

Many compounds of transition elements are attracted by a ____ field

A

magnetic

34
Q

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

A

d and s