Page 44 - Curriculum Visions Dynamic Book
P. 44
Key facts about...
Zinc
A very reactive metal
used to protect other metals from corrosion
Has no taste
Mercury
Very dense metal (13.6 times as dense as water)
Easily flows to other shapes
Has no taste
A soft, blue–white metal, chemical symbol Zn
Melts at a lower temperature than most other metals (419°C)
Good conductor of electricity
Good conductor of heat
About seven times as dense as water
Required as a trace element by living things
Atomic number 30, atomic weight about 65
A silvery, liquid metal, chemical symbol Hg
Atomic number 80, atomic weight about 201
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Good conductor of electricity
Good conductor of heat
Only 83 parts per billion of the Earth’s crust
