Fran1jadleJaidv Fran1jadleJaidv
  • 22-10-2016
  • Chemistry
contestada

Which of the following is an element?
a. zinc metal (zn)
b. carbon monoxide gas (co)
c. magnesium chloride salt (mgcl)
d. hydrochloric acid (hcl)?

Respuesta :

SJ2006
SJ2006 SJ2006
  • 22-10-2016
A.) Zinc (Zn) is a metal
Answer Link
Diana5674
Diana5674 Diana5674
  • 22-10-2016
A. Zinc metal

The Element Zinc
Atomic Number: 30
Atomic Weight: 65.38
Melting Point: 692.68 K (419.53°C or 787.15°F)
Boiling Point: 1180 K (907°C or 1665°F)
Density: 7.134 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 4   
 Group Number: 12    
Group Name: none
Answer Link

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