iron

Question 2

is the second
most abundant
metal on earth. Iron
is the main
component of
meteorites. Iron
comprises about
80% of the earth’s
inner and outer
core. Around 70%
of the iron in the
human body is
found in the
hemoglobin of red
blood cells..
Human blood gets
its red color from
iron and oxygen
interacting with
each other.

Question 3

is also known
for its high tensile
strength, which
refers to its ability
to resist breaking
under tension.

Question 4

Used to treat or prevent
anemia when the
amount of iron taken in
from the diet is not
enough. It is also added
to food products and
dietary supplements to
address iron
deficiencies and
promote healthy
hemoglobin
production.

______ is used to make
alloy steels like carbon
steels with additives
such as nickel,
chromium, vanadium,
tungsten, and
manganese. Cast iron
contains 3–5% carbon.
It is used for pipes,
valves, and pumps.

_____ is important in the
manufacturing of
machines and
equipment used in
industries such as
agriculture, mining,
tools, appliances, and
manufacturing.

Answer 4

Iron

Question 5

Atomic Number
- 26
Atomic Mass
- 5.845 u
Density
- 7.87 g/cm3
Melting Point
- 1,538°C
(2,800°F)
Boiling Point
- 2,862°C
(5,184°F)
Visual Characteristics
- Iron has a
lustrous
silver-gray
appearance
and develops
into a
reddish-brow
n rust layer
when exposed
to moisture
and oxygen.
Malleability
- It is a soft,
ductile metal
that is capable
of being
shaped or
bent without
breaking.

Answer 5

Iron (Fe)

Question 6

Ferrum
Wrought iron
Ironware
Iron tool

Answer 6

Iron (Fe)

Question 7

Health Implications:
Caution is necessary
due to potential
toxicity when
exposed to or ingesting substantial
amounts.
Varieties: Exists in
different forms,
including anhydrous
and various
hydrates.cluding the
manufacture of iron
salts, ink, and ferric
oxide pigments.

Answer 7

Ferrous Sulfate
(FeSO4)

Question 8

Nutritional Aid:
Commonly employed
as a dietary supplement
for treating iron
deficiency anemia.

Water Treatment:
Applied in water
purification to diminish
phosphates and manage
algae growth.
Agricultural
Utilization: Used as a
fertilizer to address iron
deficiencies in plants.
Dyeing and Tanning:
Plays a role in the
production of inks,
dyes, and pigments
.
Medical Applications:
Employed in treating
iron poisoning.
Industrial Functions:
Utilized in various
industrial processes, in

Answer 8

Ferrous Sulfate
(FeSO4)

Question 9

Molecular Mass:
- 151.91 g/mol
Visual Characteristics:
- Typically manifests
as a crystalline solid,
ranging from pale
green to blue-green or
brownish-yellow.
Solubility:
- Exhibits solubility in
water.
Density: 3.65 g/cm3
Phase Changes:
- Melting occurs at 64
°C (147 °F), while it
decomposes upon
reaching boiling point.

Answer 9

Ferrous Sulfate
(FeSO4)

Question 10

Iron(II) sulfate
Green vitriol
Copperas
Iron vitriol
Melanterite
Feosol

Answer 10

Ferrous Sulfate
(FeSO4)

Question 11

Photography:
Historically, it has
been used in certain
photography
processes.
The presence of
water can
significantly
influence the
physical form and
properties of ferric
chloride, including
its solubility.
It is a strong Lewis
acid, meaning it can
accept pairs of
electrons during
chemical reactions.

Answer 11

Ferric Chloride
(FeCl3)

Question 12

General Use:
It is used to treat
sewage, industrial
waste, to purify water,
as an etching agent for
engraving circuit
boards, and in the
manufacture of other
chemicals.

Medical use:
A mild astringent and
antiseptic used for
protecting wounds from
infection and a
hemostat widely used
for the effective
treatment of minor
bleeds.

Answer 12

Ferric Chloride
(FeCl3)

Question 13

Color: brownish-black
solid.
Solubility: is soluble in
water, forming a
yellow-brown solution.
Odor: Acidic odor.
Density: 2.9 g/cm3.
Melting Point: 306
degrees Celsius.
Boiling Point: Ferric
chloride undergoes
decomposition before
reaching a definite
boiling point.
It is corrosive to
metals and may cause
burns upon contactwith the skin.
Ferric chloride is
hygroscopic, meaning
it readily absorbs
moisture from the air.

Answer 13

Ferric Chloride
(FeCl3)

Question 14

Iron(III) chloride
Molysite

Answer 14

Ferric Chloride
(FeCl3)

Question 15

____________can
affect you when
inhaled.
Contact can irritate
the skin and eyes.
Inhaling ________ can irritate
the nose and throat
causing coughing
and wheezing.
High levels of this
substance may
reduce the blood’s
ability to transport
Oxygen, causing
headache, fatigue,
dizziness, and a
blue color to the
skin and lips
(methemoglobinemi
a).
Repeated high
exposures may lead
to too much Iron
build- up in the
body causing
nausea, vomiting,
stomach pain,
constipation, and
black bowel
movements.
Ferric Nitrate may
affect the liver.

Answer 15

Ferric Nitrate
Fe(NO3)3

Question 16

solutions
are used by jewelers
and metalsmiths to etch
silver, copper, brass,
and bronze. It can
create intricate patterns
and designs on the
surface of the metal. It
is also used in
patination to create a
rust-like finish on metal
surfaces
can be
used as a catalyst to
increase the rate of a
chemical reaction
without itself being
used or changed.
It is used in textile
dyeing and tanning, and
as a chemical reagent
and corrosion inhibitor

Answer 16

Ferric Nitrate
Fe(NO3)3

Question 17

It appears as a violet
crystalline solid and is
completely soluble in
water, alcohol, and
acetone, and is slightly
soluble in cold
concentrated nitric
acid.
Color: violet
crystalline solid

Answer 17

Ferric Nitrate
Fe(NO3)3

Question 18

Iron(III) nitrate
Iron Trinitrate

Answer 18

Ferric Nitrate
Fe(NO3)3

Question 19

Iodine can be found
naturally in air,
water and soil. The
most important
sources of natural
iodine are the
oceans.
Potassium iodide is
added as a nutrient
to prevent a thyroid
problem caused by
lack of iodine and
prevent a form of
mental retardation
associated with
iodine deficiency

Answer 19

Ferrous Sulfate
(FeSO4)

Question 20

Iodine has been used
therapeutically as an
ameliorating agent in
hyperthyroidism, a
fibrolytic agent in
syphilis, leprosy, etc.,
an expectorant, and as
an “alternative”
(archaic term for a
drug that reestablishes
the health of the
individual).
It is also a local
anti-infective agent,
germicide, and
fungicide.
Iodide has a
disinfectant property
and is not readily
affected as chlorine by
water pH or organic
content but iodide
disinfectant activity is
markedly reduced by
cold water temperature.

Answer 20

Ferrous Sulfate
(FeSO4)

Question 21

Visual Characteristics
Iodine is a
non-metallic,
dark-gray/purple-black
, lustrous, solid
element.
Molecular mass:
126.90 g/mol
Odor:
Irritating odor
Iodine has a moderate
vapor pressure at room
temperature and in an
open vessel slowly
sublimes to a deep
violet vapor that is
irritating to the eyes,
nose, and throat.

Answer 21

Ferrous Sulfate
(FeSO4)

Question 22

Hydrogen Iodide
Tincture of
Iodine
Solutio Iodi
Tinctura Iodi

Answer 22

Ferrous Sulfate
(FeSO4)

Question 23

Art Conservation:
Sometimes used in
art conservation for
the stabilization and
restoration of
certain materials.
Environmental
Remediation:
Applied in
environmental
remediation efforts
to immobilize and
remove
contaminants from
soil and water.

Answer 23

Ferric Hydroxide
(Fe(OH)3)

Question 24

Water Treatment: Used
as a coagulant in water
treatment processes to
remove impurities and
clarify water.
Phosphate Removal:
Applied in wastewater
treatment for the
removal of phosphates.

Answer 24

Ferric Hydroxide
(Fe(OH)3)

Question 25

Pigment: Historically,
ferric hydroxide has
been used as a pigment
in paints, providing a
reddish-brown color.
Catalyst: Employed as
a catalyst in certain
chemical reactions,
particularly in organic
synthesis.

Answer 25

Ferric Hydroxide
(Fe(OH)3)

Question 26

Color: It is commonly
a reddish-brown color,
contributing to its
characteristic
appearance.
Solubility: Ferric
hydroxide is generally
insoluble in water, and
it tends to form a
gelatinous precipitate
when ferric ions react
with hydroxide ions.
Occurrence: Found
naturally in various forms, it can be
associated with
minerals and ores
containing iron.
Insolubility in Water:
Being insoluble, it
tends to settle out as a
solid in aqueous
solutions, forming
colloidal suspensions.
Corrosion Product:
Ferric hydroxide can
be a corrosion product,
contributing to the
rusting of iron when
exposed to oxygen and
moisture.

Answer 26

Ferric Hydroxide
(Fe(OH)3)

Question 27

Iron(III)
hydroxide
Ferric
trihydroxide
Iron sesquioxide
hydroxide
Ferric oxide
hydroxide
Hydrated
iron(III) oxide
Brown rust

Answer 27

Ferric Hydroxide
(Fe(OH)3)