F- European settlers
dacca
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Ammonium is an ion (NH4+), a socalled charged particle, THIS is NOT a reaction.
For example the socalled phosphors. see the link below
Density is a physical property (not -'change'). It is a socalled intensive physical property of matter.
Enzymes, they are socalled bio-catalysts.
Enzymes, they are socalled bio-catalysts.
The socalled "shot heard 'round the world" was a confrontation in 1775 between British troops & American colonists at Lexington Massachusetts.
Females are generally bigger and stouter than males, males have socalled nupial pads and a metatarsal knob on their feet.
Group 3 to 12 in period IV to VII: the socalled d-blockelements. There are about 30 to 40 transition elements, a lot of them are artificial.
Railroads in the United States allowed for better transportation to all areas in the western part of the USA. Better often meant faster & safer. Some cost savings were expected by both civilians and the Federal government. The socalled "West" was opened up significantly by the transcontinental railroad of 1869.
A double covalent bond, one is a socalled sigma-bond, the other is a pi-bond.