Chemistry Brochure (2) Yee Zi Hao

Transition Zinc-Manganese Battery Did You Know?
Aluminium
Elements Metal Cap
Expansion Space Al
An element that has the ability to Zinc Case
form stable cations with an incom- (Negative electrode) This transition element has low
pletely filled “d” orbital. Electrolyte density, is non-toxic, has a high
Objectives: thermal conductivity, has excellent
 Determine the position of Manganese dioxide corrosion resistance and can be
paste easily cast, .achieved and formed.
transition elements in Periodic Carbon Red Hence, it can be made as
Table of Elements . (positive electrode) “utensils”.
 Explain the special character-
istics of a few transition ele-
ments with examples.
 List the use of transition ele-
ments in industry

Compare with Zinc-Carbon batteries,
Zinc-Manganese have a higher ener-
gy density and longer shelf life, yet
provide the same voltage.

TITANIUM COPPER ~ Cu Reference

Ti Copper is a reddish metal. It is malleable, 1) www.wikipedia.com
ductile, and an extremely good conductor of 2) www.lenntech.com
What is titanium ? both heat an electricity. 3) www.esaar.com
It is ideal for electrical wiring because it is 4) www.quora.com
Titanium dioxide is a synthetic white pigment easily worked, can be drawn into fine wire and 5) www.google.com
with high hiding power, nontoxic, permanent, has a high electrical conductivity.
and usable in all medium. Moral Values

When used in paints, it provides for 1) Creativity [Discover new
maximum whiteness and opacity. It gives paint Things]
high hiding power, meaning the ability to mask
or hide the substrate underneath. It does this 2) Determination [wider our field
more effectively than any other white pigment & knowledge]

These unique properties are derived 3) Consistency [the quality or
from the refractive index of titanium dioxide. fact of being good each time]
The refractive index expresses the ability to
bend and scatter light.