Group VI A & Group VI B

Question 1

The Oxygen Family

Answer 1

Oxygen, Sulfur, Tellurium, Polonium

Question 2

Typical elements in Group IV-A

Answer 2

Oxygen and Sulfur

Question 3

Sulfur Family

Answer 3

Sulfur, Selenium, Tellurium, Polonium

Question 4

Most abundant element in the Earth’s crust

Answer 4

Oxygen

Question 5

Known as “brimstone”

Answer 5

Sulfur

Question 6

Brimstone means as

Answer 6

“burning stone”

Question 7

Combined form of Sulfur

Answer 7

metal sulfides and sulfates

Question 7

Occurs only in the form of radioisotope

Answer 7

Polonium (Po)

Question 7

Found in some quantity from the lead and copper refining process

Answer 7

Selenium and Tellurium (Se & Te)

Question 7

Sulfur molecule

Answer 7

S[8]

Question 8

The metallic character of the oxygen family

Answer 8

Increases in progressing down the group

Question 9

Form of Sulfur found in nature

Answer 9

Rhombic

Question 10

Shape of Rhombic

Answer 10

Crystals

Question 11

Rhombic heated at 96c

Answer 11

Monoclinic Sulfur

Question 11

state of a monoclinic sulfur

Answer 11

needle-like crystalline variety

Question 11

Monoclinic sulfur heated at 113c

Answer 11

Mobile sulfur

Question 11

heating of mobile sulfur

Answer 11

Molasses

Question 12

state of molasses

Answer 12

dark liquid and thick and sticky

Question 12

Molasses when cooled rapidly by immersion in cold water

Answer 12

Amorphous Sulfur

Question 12

state of amorphous sulfur

Answer 12

rubbery plastic

Question 13

stable form of sulfur at ordinary temperature

Answer 13

Rhombic Sulfur

Question 13

Oxygen oxidation state

Answer 13

-2, -1, 0

Question 13

outer configuration of the oxygen family

Answer 13

s^2p^4

Question 14

oxidation state of sulfur and higher elements

Answer 14

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

Question 14

second most electronegative of all elements

Answer 14

Oxygen

Question 14

properties of the hydrides of the oxygen family

Answer 14

gaseous, highly odoriferous, and poisonous

Question 15

The chromium subgroup

Answer 15

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

Question 15

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

Answer 15

water-soluble

Question 16

Oxidation state of chromium when formed in compounds

Answer 16

2+, 3+, 6+

Question 17

Oxidation state Molybdenum and Tungsten when formed in compounds

Answer 17

2+ through 6+

Question 18

most stable oxidation state of Chromium

Answer 18

3+

Question 19

Compounds when chromium has 2+ oxidation state

Answer 19

good reducing agent

Question 20

Chromium (III) hydroxide

Answer 20

amphoteric salt

Question 21

Dichromates

Answer 21

good oxidizing agents