Heavy Metals in the environment

Question 1

Mercury

Answer 1

Liquid metal that slowly voitailizes at room temperature and forms amalgams with other metals

Question 2

Liquid metal that slowly voitailizes at room temperature and forms amalgams with other metals.

Answer 2

Mercury

Question 3

Uses of Mercury

Answer 3

Great electrodes and dental amalgam fillintgs, gold mining

Question 4

Great electrodes and dental amalgam fillintgs, gold refinement

Answer 4

Uses of Mercury

Question 5

Modern Mercury Release

Answer 5

burning coals that have a lot of it, municipal waste

Question 6

burning coals that have a lot of it, municipal waste

Answer 6

modern mercury release

Question 6

mercury chronic poisoning symptoms

Answer 6

twitching, madness, and even paralysis

Question 7

twitching, madness, and even paralysis

Answer 7

mercury chronic poisoning symptoms

Question 8

Gaseous elemental Mercury

Answer 8

inert gaseous mercury that can stay in the atmosphere for years

Question 9

inert gaseous mercury that can stay in the atmosphere for years

Answer 9

Gaseous elemental Mercury

Question 10

Mercury particulates

Answer 10

adsorbed onto areal particulates, stays in the atmosphere for a couple weeks

Question 11

adsorbed onto areal particulates, stays in the atmosphere for a couple weeks

Answer 11

Mercury particulates

Question 12

Reagicve gaseous merury

Answer 12

Comes in forms such as HgCl2, lasts in the atmosphere for several weeks

Question 13

Comes in forms such as HgCl2, lasts in the atmosphere for several weeks

Answer 13

reactive gassious mercury

Question 14

Mercury in the environment

Answer 14

becomes methylated by bacteria, making them very fat soluble., so they bioacumulate in multicelular organisms

Question 15

becomes methylated by bacteria, making them very fat soluble., so they bioacumulate in multicelular organisms

Answer 15

Mercury in the environment

Question 16

Symptoms of accute mercury posisoning

Answer 16

numbness, blurring, losso f vision, hearing, muscle ocrdiation, lethargy and irtibility

Question 17

numbness, blurring, losso f vision, hearing, muscle ocrdiation, lethargy and irtibility

Answer 17

Symptoms of accute mercury posisoning

Question 18

Mercury and pregnancy

Answer 18

the fetus is more susecpteble than the mother, resulting in severe brain damage

Question 19

the fetus is more susecpteble than the mother, resulting in severe brain damage

Answer 19

Mercury and pregnancy

Question 20

Uses of lead

Answer 20

easy to work and noncorosive, used to seal cracks, make pipes, also used to make yellow, red, or white paints.

Question 21

easy to work and noncorosive, used to seal cracks, make pipes, also used to make yellow, red, or white paints.

Answer 21

Uses of lead

Question 22

Effects of lead

Answer 22

crosses the blood-brain barriar and inhibits development

Question 23

crosses the blood-brain barriar and inhibits development

Answer 23

Effects of Lead

Question 24

Tetraethal lead

Answer 24

a lead-ethyl compound previously used to reduce knocking in gassoline.

Question 25

a lead-ethyl compound previously used to reduce knocking in gassoline.

Answer 25

Tetraethal lead

Question 26

bioacumulation of Lead and cadmium

Answer 26

substitutes in for calcium in the bones

Question 27

substitutes in for calcium in the bones

Answer 27

bioacumulation of Lead and cadmium

Question 28

sources of cadmium

Answer 28

released during the smelting of Zinc

Question 29

released during the smelting of Zinc

Answer 29

sources of cadmium

Question 30

uses of cadmium

Answer 30

bright yellow paints and rechargable batteries.

Question 31

bright yellow paints and rechargable batteries.

Answer 31

uses of cadmium

Question 32

metallothioneins

Answer 32

protiens with lots of SH groups that grab toxic metals to prevent effects from low doses in humans

Question 33

protiens with lots of SH groups that grab toxic metals to prevent effects from low doses in humans

Answer 33

metallothioneins

Question 34

Toxcicity of arsenic

Answer 34

body converts arsenate (ArO4^-3) to arsenite (ArO3^-3) which is extremely toxic.

Question 35

body converts arsenate (ArO4^-3) to arsenite (ArO3^-3) which is extremely toxic.

Answer 35

Toxcicity of arsenic

Question 36

Arsenic poisioning

Answer 36

bidns to the sulfur in various protiens, hinhibiting energy production

Question 37

bidns to the sulfur in various protiens, hinhibiting energy production

Answer 37

Arsenic poisioning

Question 38

Sources of Arsenic

Answer 38

pesticides, coal burning, and natural contamination of groundwater

Question 39

pesticides, coal burning, and natural contamination of groundwater

Answer 39

Sources of Arsenic

Question 40

body's arsenic disposal

Answer 40

methylates it, rendering it inert

Question 41

methylates it, rendering it inert

Answer 41

body's arsenic disposal

Question 42

Organotin compounds

Answer 42

compounds toxicdue to tin's similiarity to lead, formerly used in fungicides, wood preservatives, and plastic stabilizers

Question 43

compounds toxicdue to tin's similiarity to lead, formerly used in fungicides, wood preservatives, and plastic stabilizers

Answer 43

Organotin compounds

Question 44

chromium

Answer 44

used for anti-corrosion coatings, tanning leather, and wood preservatives. Dangerous if it leaks into the environment

Question 45

used for anti-corrosion coatings, tanning leather, and wood preservatives. Dangerous if it leaks into the environment

Answer 45

chromium

Question 46

toxic chrominum forms

Answer 46

Forms CrO4^2- or Cr2O7^2-, made using Chromium IV

Question 47

Forms CrO4^2- or Cr2O7^2-, made using Chromium IV

Answer 47

toxic chrominum forms