Group VI A & Group VI B Flashcards

1
Q

The Oxygen Family

A

Oxygen, Sulfur, Tellurium, Polonium

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2
Q

Typical elements in Group IV-A

A

Oxygen and Sulfur

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3
Q

Sulfur Family

A

Sulfur, Selenium, Tellurium, Polonium

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4
Q

Most abundant element in the Earth’s crust

A

Oxygen

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5
Q

Known as “brimstone”

A

Sulfur

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6
Q

Brimstone means as

A

“burning stone”

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7
Q

Combined form of Sulfur

A

metal sulfides and sulfates

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7
Q

Occurs only in the form of radioisotope

A

Polonium (Po)

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7
Q

Found in some quantity from the lead and copper refining process

A

Selenium and Tellurium (Se & Te)

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7
Q

Sulfur molecule

A

S[8]

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8
Q

The metallic character of the oxygen family

A

Increases in progressing down the group

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9
Q

Form of Sulfur found in nature

A

Rhombic

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10
Q

Shape of Rhombic

A

Crystals

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11
Q

Rhombic heated at 96c

A

Monoclinic Sulfur

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11
Q

state of a monoclinic sulfur

A

needle-like crystalline variety

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11
Q

Monoclinic sulfur heated at 113c

A

Mobile sulfur

11
Q

heating of mobile sulfur

A

Molasses

12
Q

state of molasses

A

dark liquid and thick and sticky

12
Q

Molasses when cooled rapidly by immersion in cold water

A

Amorphous Sulfur

12
Q

state of amorphous sulfur

A

rubbery plastic

13
Q

stable form of sulfur at ordinary temperature

A

Rhombic Sulfur

13
Q

Oxygen oxidation state

A

-2, -1, 0

13
Q

outer configuration of the oxygen family

A

s^2p^4

14
Q

oxidation state of sulfur and higher elements

A

-2, 0, +2, +4, +6

14
Q

second most electronegative of all elements

A

Oxygen

14
Q

properties of the hydrides of the oxygen family

A

gaseous, highly odoriferous, and poisonous

15
Q

The chromium subgroup

A

Chromium (Cr), Molybdenum (Mo), Tungsten (W), Uranium (U)

15
Q

Sulfides, selenides, and tellurides of alkali and alkaline earth metals

A

water-soluble

16
Q

Oxidation state of chromium when formed in compounds

A

2+, 3+, 6+

17
Q

Oxidation state Molybdenum and Tungsten when formed in compounds

A

2+ through 6+

18
Q

most stable oxidation state of Chromium

A

3+

19
Q

Compounds when chromium has 2+ oxidation state

A

good reducing agent

20
Q

Chromium (III) hydroxide

A

amphoteric salt

21
Q

Dichromates

A

good oxidizing agents

21
Q
A
22
Q
A
23
Q
A