Study sets matching "term:heavy metals = interfere with chemical bonding, silver, copper, mercury"

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Study sets matching "term:heavy metals = interfere with chemical bonding, silver, copper, mercury"

10 terms
Salts of heavy metals (advanced embalming unit 4 test 5)
Antimony
Arsenic
Bismuth
Cadmium
Salts if heavy metals
Salts of heavy metals
Salts of heavy metal
Salts of heavy metals
Antimony
Salts if heavy metals
Arsenic
Salts of heavy metals
67 terms
Chemical Bonding
types of bonds
ionic bond (definition)
ionic bond (description)
ionic bond (types of elements)
ionic, covalent and metallic bonding
bond formed when one or more electrons are transfered from on…
a chemical bond resulting from the attraction between opposit…
metals with nonmetals
types of bonds
ionic, covalent and metallic bonding
ionic bond (definition)
bond formed when one or more electrons are transfered from on…
10 terms
Toxicology - Heavy Metals and Chelators
Essential Metals
Basic Mechanisms of How Heavy Metals I…
Basic Mechanisms of How Chelators Work
Drawback of Chelators
Iron... Copper... Zinc... Manganese
inhibit enzyme activity by binding to SH groups... interfering w…
flexible molecules... tow or more electronegative groups... form st…
non-specific... can chelate essential metals... main cause for toxi…
Essential Metals
Iron... Copper... Zinc... Manganese
Basic Mechanisms of How Heavy Metals I…
inhibit enzyme activity by binding to SH groups... interfering w…
21 terms
Metals and Alloys
alloy
copper
iron
tin
Mixture of elements that has metallic properties; a solid sol…
transition element; reddish metal; good conductor of heat and…
Strong, hard, magnetic silvery-gray metal; used as a material…
a low-melting metal, malleable, ductile; used in plating; in…
alloy
Mixture of elements that has metallic properties; a solid sol…
copper
transition element; reddish metal; good conductor of heat and…
Chemical Bonding
types of bonds
ionic bond (definition)
ionic bond (description)
ionic bond (types of elements)
ionic, covalent and metallic bonding
bond formed when one or more electrons are transfered from on…
a chemical bond resulting from the attraction between opposit…
metals with nonmetals
types of bonds
ionic, covalent and metallic bonding
ionic bond (definition)
bond formed when one or more electrons are transfered from on…
Heavy Metals and Chelators
Lead - MOA
High lead levels
Acute inorganic lead poisoning Tx
Lead encephalopathy Tx
Inhibits 3',5'-pyrimidine nucleotidase acutely seen as basoph…
Can cause interstitial fibrosis, nephrosclerosis
Remove source, supportive care, consider chelation therapy, f…
Corticosteroids and mannitol
Lead - MOA
Inhibits 3',5'-pyrimidine nucleotidase acutely seen as basoph…
High lead levels
Can cause interstitial fibrosis, nephrosclerosis
11 terms
Quiz Metallic Bonding Ch 7
Metallic Bonds
Alloys
Interstitial
Substitutional
attraction between free floating electrons and positively cha…
Mixtures of metals.
smaller atoms that fit in a group of positively charged ions…
negatively charged ion changes place with a positively charge…
Metallic Bonds
attraction between free floating electrons and positively cha…
Alloys
Mixtures of metals.
IGCSE Chem 2.4.4 Transition Metals -arum
gold
silver
copper
ores
A few metals are so unreactive that they occur in an uncombin…
A few metals are so unreactive that they occur in an uncombin…
A few metals are so unreactive that they occur in an uncombin…
Most metals are too reactive to exist on their own in the gro…
gold
A few metals are so unreactive that they occur in an uncombin…
silver
A few metals are so unreactive that they occur in an uncombin…
12 terms
Heavy Metals and Pollutants
air toxins
asbestos
carbon monoxide
Lead (Pb)
asbestos, benzene, chloroform, formaldehyde, lead, mercury an…
causes lung cancer, mesothelioma, and asbestosis
slower reflexes, drowsiness, confusion, impair vision. Interf…
seizures, brain and kidney damage, mental retardation, behavi…
air toxins
asbestos, benzene, chloroform, formaldehyde, lead, mercury an…
asbestos
causes lung cancer, mesothelioma, and asbestosis
37 terms
IGCSE Chem 2.4.4 Transition Metals
gold
silver
copper
ores
A few metals are so unreactive that they occur in an uncombin…
A few metals are so unreactive that they occur in an uncombin…
A few metals are so unreactive that they occur in an uncombin…
Most metals are too reactive to exist on their own in the gro…
gold
A few metals are so unreactive that they occur in an uncombin…
silver
A few metals are so unreactive that they occur in an uncombin…
Chapter 15 Ionic Bonds
chemical bonds
metallic bonds
ionic bonds
crystalline
forces that hold groups of atoms together and make them funct…
attraction of free floating valence electrons and metal ions
between metals and nonmetals, electrons transfer from metals…
ionic compounds are solid ___________
chemical bonds
forces that hold groups of atoms together and make them funct…
metallic bonds
attraction of free floating valence electrons and metal ions
67 terms
Chemical Bonding
types of bonds
ionic bond (definition)
ionic bond (description)
ionic bond (types of elements)
ionic, covalent and metallic bonding
bond formed when one or more electrons are transfered from on…
a chemical bond resulting from the attraction between opposit…
metals with nonmetals
types of bonds
ionic, covalent and metallic bonding
ionic bond (definition)
bond formed when one or more electrons are transfered from on…
67 terms
Chemical Bonding
types of bonds
ionic bond (definition)
ionic bond (description)
ionic bond (types of elements)
ionic, covalent and metallic bonding
bond formed when one or more electrons are transfered from on…
a chemical bond resulting from the attraction between opposit…
metals with nonmetals
types of bonds
ionic, covalent and metallic bonding
ionic bond (definition)
bond formed when one or more electrons are transfered from on…
67 terms
Chemical Bonding
types of bonds
ionic bond (definition)
ionic bond (description)
ionic bond (types of elements)
ionic, covalent and metallic bonding
bond formed when one or more electrons are transfered from on…
a chemical bond resulting from the attraction between opposit…
metals with nonmetals
types of bonds
ionic, covalent and metallic bonding
ionic bond (definition)
bond formed when one or more electrons are transfered from on…
Toxicity 4: Heavy Metals
essential metals
interactions with essential metals
formation of metal-protein complexes
developmental tox of metals
*Iron - Heme... *Zinc - Metalloproteinase... *Copper - numerous enz…
-lead: calcium and iron... -cadmium: zinc and iron... -mercury: sel…
metallothioneins and cadmium, zinc, and copper
lead
essential metals
*Iron - Heme... *Zinc - Metalloproteinase... *Copper - numerous enz…
interactions with essential metals
-lead: calcium and iron... -cadmium: zinc and iron... -mercury: sel…
22 terms
Commercial Polymers/ Heavy Metals/Instrumentation
Polyethylene (syn)
Polypropylene (syn)
Polystyrene (syn)
Polyvinyl chloride (PVC) (syn)
films, packaging, bottles
kitchenware, fibers, appliances
packaging, disposable food containers, insulation
pipe fittings, clear film for meat packaging
Polyethylene (syn)
films, packaging, bottles
Polypropylene (syn)
kitchenware, fibers, appliances
Metals
metals
alloys
metal ore
reduction
metals are found in the Earth's crust
A mixture of metals e.g brass is a mixture of copper and zinc.
A rock that contains metal
A reaction which takes place as carbon removes oxygen from th…
metals
metals are found in the Earth's crust
alloys
A mixture of metals e.g brass is a mixture of copper and zinc.
HEAVY METALS
routes of heavy metal exposure
L.D. 50
most concerning mechanism of heavy met…
lead
skin, ingestions, inhalation, ocular (lead & cadmium accumula…
median lethal dose, causes death in 50% of test group; the lo…
bind sulfhydryl groups on proteins & amino acids
soft blue gray metal, found in natural environment, used to b…
routes of heavy metal exposure
skin, ingestions, inhalation, ocular (lead & cadmium accumula…
L.D. 50
median lethal dose, causes death in 50% of test group; the lo…
23 terms
Heavy Metal Toxicity
Heavy metals
Lead
GI effects
Hematologic effects
Lead... Mercury... Arsenic
bind to Hb... deposits in bone, teeth and hair... crosses placenta…
abdominal syndrome- metallic taste, anorexia, discomfort... -> l…
hypochromic microcytic anemia... inhibit ALA dehydratase and fer…
Heavy metals
Lead... Mercury... Arsenic
Lead
bind to Hb... deposits in bone, teeth and hair... crosses placenta…
chemistry 5
electron affinity
electronegativity
transition metals
antimony
the energy change that occurs when an electron is acquired by…
a measure of the ability of an atom in a chemical compound to…
the d block elements are metals with typical metallic propert…
sb
electron affinity
the energy change that occurs when an electron is acquired by…
electronegativity
a measure of the ability of an atom in a chemical compound to…
19 terms
Transition and Heavy Metal Ions
lead (II) ion
lead (IV) ion
tin (II) ion
tin (IV) ion
Pb²⁺
Pb⁴⁺
Sn²⁺
Sn⁴⁺
lead (II) ion
Pb²⁺
lead (IV) ion
Pb⁴⁺
14 terms
Discovering Metals
metal with symbol Pb
never found in its pure state in nature
most common metal in Earth's crust
known as the coinage metals
lead
calcium and sodium
aluminum
copper, silver, gold
metal with symbol Pb
lead
never found in its pure state in nature
calcium and sodium
23 terms
Unit 8- Chemical Bonds
Ionic compounds
Ionic compounds
Ionic compounds
Ionic compounds
As solids they don't conduct electricity or heat
As liquids and in solution they do conduct electricity
Hard and brittle
High melting and boiling point
Ionic compounds
As solids they don't conduct electricity or heat
Ionic compounds
As liquids and in solution they do conduct electricity
48 terms
Toxicology - Heavy Metals
Sources of Arsenic
Aources of arsine
Sources of Lead
Sources of Copper
Medicinal... Dipping vats... Growth promotant
Industrial sources... Associated with refining of tin, lead, and…
Paint flakes... Batteries ... Bird cages... Fumes from lead smelters... V…
Cattle/horse feed being fed to sheep... Error in feel mixing
Sources of Arsenic
Medicinal... Dipping vats... Growth promotant
Aources of arsine
Industrial sources... Associated with refining of tin, lead, and…
31 terms
Chapter 8 Chemistry
ferric
cuppric
Stannic
ferrous
iron with 3 valence electrons (Ferric III)
copper with 2 valence electrons (Copper II)
Tin with 4 valence electrons
Iron II
ferric
iron with 3 valence electrons (Ferric III)
cuppric
copper with 2 valence electrons (Copper II)
74 terms
Ions, bonding, chemical Equation
Ion
Cation
Anion
Neutral
An atom with unequal number of protons and electrons and it h…
An ion with more protons than electrons and is always positiv…
An ion with less protons than electrons and is always negativ…
An atom with the same umber of electrons and protons and has…
Ion
An atom with unequal number of protons and electrons and it h…
Cation
An ion with more protons than electrons and is always positiv…
23 terms
Metals and Non-Metals
Physical Properties
Exceptions for physical state
Exceptions for lustre
exceptions for colour
physical state, lustre, colour, hardness, malleability, ducti…
metals | non-metals... Mercury | Bromine
non-metals... Graphite & Iodine
metals... gold & copper
Physical Properties
physical state, lustre, colour, hardness, malleability, ducti…
Exceptions for physical state
metals | non-metals... Mercury | Bromine
112 terms
micrhoebio last
sterilization
disinfection
antiseptic
disinfectant
removal of all microorganisms
reduction of pathogens to the point where they pose no threat
chemical agent that safely be used externally on living tissu…
chemical agent for inanimate objects to destroy microorganism…
sterilization
removal of all microorganisms
disinfection
reduction of pathogens to the point where they pose no threat
33 terms
science chapter 23 chemical bonding
force that holds 2 atoms together
different kinds of bonding trends (3)
form between atoms of metallic elements
metallic bonds are usually
bond
metallic... ionic... covalent
metallic bonds
transition metals
force that holds 2 atoms together
bond
different kinds of bonding trends (3)
metallic... ionic... covalent
Metals review
Ores
What do ores consist of?
Actinides
Lanthanides
A lot of metals found in a rock
Most ores consist of a metal compound or mineral with a mixtu…
Atomic numbers of 89-103... All radioactive an unstable... Uranium…
Atomic numbers of 57-71... Used for motion picture industry and TV
Ores
A lot of metals found in a rock
What do ores consist of?
Most ores consist of a metal compound or mineral with a mixtu…
Periodic Elements
Aluminum
Bromine
Copper
Gold
-is a chemical element in the boron group with symbol Al and…
- is a chemical element with symbol Br and atomic number 35.…
-a chemical element with symbol Cu (from Latin: cuprum) and a…
-is a chemical element with the symbol Au (from Latin: aurum)…
Aluminum
-is a chemical element in the boron group with symbol Al and…
Bromine
- is a chemical element with symbol Br and atomic number 35.…
Chemistry : Ch. 6 Bonding
chemical bond
stable
stable
octet
a mutual attraction between two atoms as the result of the ga…
atoms become more ____ when they bind
to have the lowest possible potential energy is
atoms bond to get a filled ________
chemical bond
a mutual attraction between two atoms as the result of the ga…
stable
atoms become more ____ when they bind
Chemistry Terms
Ion
Acid
Base
Covalent Bond
A charged particle created by the loss or gain of electrons
An H+ donor
An H+ acceptor
Formed between two non-metals
Ion
A charged particle created by the loss or gain of electrons
Acid
An H+ donor
Metals and Alloys
75%
conductors
liquid
iron
Metals such as gold, copper, and silver make up __________ of…
Metals are good __________________ of heat and electricity.
Mercury and bromine are two elements that are ____________ at…
The most abundant metal is
75%
Metals such as gold, copper, and silver make up __________ of…
conductors
Metals are good __________________ of heat and electricity.
20 terms
Unit 6: Checklist B- SC.8.P.9.2 - Chemical & Physical Changes/ Law of Conservation of Mass
Physical change
examples of physical change
signs of physical change
Chemical change
any change in size, shape, form or state where the identity o…
cutting fruit... melting ice and boiling water... metal hammered in…
No new matter is created.... Most physical changes can be revers…
Occurs when one type of matter changes into a different type…
Physical change
any change in size, shape, form or state where the identity o…
examples of physical change
cutting fruit... melting ice and boiling water... metal hammered in…
65 terms
IB HL Bonding Definitions
types of bonds
ionic bond (definition)
ionic bond (description)
ionic bond (types of elements)
ionic, covalent and metallic bonding
bond formed when one or more electrons are transfered from on…
a chemical bond resulting from the attraction between opposit…
metals with nonmetals
types of bonds
ionic, covalent and metallic bonding
ionic bond (definition)
bond formed when one or more electrons are transfered from on…
Chemical bonds study guide
Chemical bond
Ionic bonds composition
Metallic Bond composition
Covalent molecular bond comp.
An attraction between atoms that holds them together in space
Made of metals and non metals (ex: Copper Chloride: CuCl)
Made only of metals (ex: Mercury Hg)
Made only of nonmetals (ex: Water H2O )
Chemical bond
An attraction between atoms that holds them together in space
Ionic bonds composition
Made of metals and non metals (ex: Copper Chloride: CuCl)
Heavy Metals
How do heavy metals exert toxic effects?
What is a hallmark of heavy metal into…
What characteristics do chelators idea…
How does the absorption of lead vary b…
By combining with physiological groups and interfering with f…
Multisystem signs and symptoms
- Highly water soluble... - Resistant to biotransformation... - Abl…
Industrial exposure is through respiratory tract... Non-industri…
How do heavy metals exert toxic effects?
By combining with physiological groups and interfering with f…
What is a hallmark of heavy metal into…
Multisystem signs and symptoms
Science - Chemical Bonding
Metallic
Chemical bond
Anion
Ionic bond
A ______ bond is formed by the atteaction between positively…
The attractive force that holds atoms or ions together is cal…
A negatively charged ion is called an _____.
An __________ is formed by the attraction between oppositely…
Metallic
A ______ bond is formed by the atteaction between positively…
Chemical bond
The attractive force that holds atoms or ions together is cal…
metals
metal
luster
copper
ductility
is an element that is generally shiny is easily pulled into w…
describes the ability of a metal to reflect light
is a good conductor
is the ability of a metal to be pulled into wires
metal
is an element that is generally shiny is easily pulled into w…
luster
describes the ability of a metal to reflect light
53 terms
The Chemical Earth
Element
Mixture
Examples of elements
Examples of mixtures
- PURE substance... - Made from ONE type of atom... - Cannot be bro…
- IMPURE substance... - Made from 2 or more different elements o…
- Helium... - Mercury... - Carbon
- air... - soil... - seawater
Element
- PURE substance... - Made from ONE type of atom... - Cannot be bro…
Mixture
- IMPURE substance... - Made from 2 or more different elements o…
26 terms
IPC Ch. 16.3-17 Test Review
IPC Ch. 16.3 - 17 Review
Which metal is NOT solid at room tempe…
Ionic bonds
Covalent bonds
...
mercury
formed when metals combine with non-metals... atoms LOSE electrons
formed when non-metals combine with other non-metals... atoms SH…
IPC Ch. 16.3 - 17 Review
...
Which metal is NOT solid at room tempe…
mercury
Chemical Disinfectant Methods
Soaps and Detergents
Surfacants
Acids
Alkalis
lower surface tension, make microbes accessible to other agents
Dissolve lipids, disrupt membranes, denature proteins. Includ…
Lower pH and denature proteins
Raise pH and denature proteins
Soaps and Detergents
lower surface tension, make microbes accessible to other agents
Surfacants
Dissolve lipids, disrupt membranes, denature proteins. Includ…
11 terms
Groups 3-12: Transition Metals
contains 1 or 2 electrons in its outer…
usually harder and more brittle than m…
has higher melting and boiling points…
good heat and electrical conductors
...
...
...
...
contains 1 or 2 electrons in its outer…
...
usually harder and more brittle than m…
...
chapter 19.1 Mrs. Aplicano
luster
malleable
ductile
ionic bonding
reflects light
can be hammered into sheets
can be drawn into wires
combine with non medals by losing 1 electron
luster
reflects light
malleable
can be hammered into sheets
35 terms
Chapter 9 pt 2
Phenols... Alcohols... Halogens... Oxidizing Ag…
Phenols and phenolics
Phenols and phenolics
Triclosan
Chemical methods of microbial growth (9)
Common household chemicals, labs, and healthcare settings
Denature proteins and disrupt cell membranes... -effective in pr…
Stable and always present in environment... -poses a problem whe…
Phenols... Alcohols... Halogens... Oxidizing Ag…
Chemical methods of microbial growth (9)
Phenols and phenolics
Common household chemicals, labs, and healthcare settings
12 terms
EX4 CH14 Chemical Mechanisms or Microbial Control: Biguanides, Heavy metals, Aldehyes, and Peroxygens
What is the mechanism of action of Big…
What are key applications of biguanide…
How effective is Biguanides (chlorhexi…
What is the mechanism of action of Hea…
Disruption of plasma membrane
Skin disinfection, especially for surgical scrubs
Bactericidal to gram-positive and gram-negatives, nontoxic, p…
Denaturation of enzymes and other essential proteins
What is the mechanism of action of Big…
Disruption of plasma membrane
What are key applications of biguanide…
Skin disinfection, especially for surgical scrubs
153 terms
Test 2
Sterilization
Disinfection
Antiseptic
Disinfectant
killing of all microorganisms in a material
the reduction of the number of pathogenic microorganisms to t…
a chemical agent that can safely be used externally on living…
a chemical agent used on inanimate objects to destroy microor…
Sterilization
killing of all microorganisms in a material
Disinfection
the reduction of the number of pathogenic microorganisms to t…
Multivalent Metals
copper
iron
lead
mercury
+2,+1... red-brown metal, the chemical element of atomic number…
+2,+3... a strong, hard magnetic silvery-gray metal, the chemica…
+2... cause (a person or animal) to go with one by holding them…
+2... the chemical element of atomic number 80, a heavy silvery-…
copper
+2,+1... red-brown metal, the chemical element of atomic number…
iron
+2,+3... a strong, hard magnetic silvery-gray metal, the chemica…
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