Tetraethyl lead has 4 ethyl groups attached to the lead atom.
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∙ 10y agoThere are four ethyl groups and 2 methyl groups.
If you think to allotrope tetrasulfur: 4 atoms.
Four. That is the meaning of the prefix "tetra".
Tetra stands for four. So there are four chlorine atoms in a tetrachloride.
Group 13 : Aluminium, Gallium, Indium, Thallium Group 14 : Tin(Stannum), Lead(Plumbum) Total : 6 (poor) metals
tetra-ethyl lead means lead and ethyl taken four times in ethyl 7 atoms will be present there fore in tetra ethyl 28 atoms will be present.i9n tetra-ethyl lead 1 lead atom will be present so in total 28+1=29 atoms will be present in tetra-ethyl lead.
There are four ethyl groups and 2 methyl groups.
Unleaded petrol is what you have before you add the tetra-ethyl lead (or similar antiknock compound) to the base fuel. The TEL allows a cheaper and lower octane fuel mix to be made. Petrol is combination of various hydrocarbon distillates from very small molecules like butane to very long chained molecules. These are mixed to provide proper combustion in an engine. The rating for this quality is known as the octane number. Leaded compounds, if added, boost the octane rating. ----------------------------------- Leaded petrol is now banned in many countries. The tetra-ethyl lead is extremely toxic and cause pollution. Unleaded petrol may contain methanol, ethanol, MTBE, ETBE, etc.
A leaded gasoline is one that has a lead-containing compound in it. For many years the number one anti-knock agent was tetra-ethyl-lead. After epidemiological research showed that the lead dust coming from car exhausts was a major cause of lowered intelligence in children the use of this chemical was quickly phased out. The use of any lead compound in gasoline has been a Federal offence for some years now. Leaded gasoline is still available as a high octane aviation gasoliine.
Tetras, like many species of fish, travel is groups. These groups are not packs, they are called schools. There are many reasons for this like safety and numbers and fish like to be with other fish.
A leaded gasoline is one that has a lead-containing compound in it. For many years the number one anti-knock agent was tetra-ethyl-lead. After epidemiological research showed that the lead dust coming from car exhausts was a major cause of lowered intelligence in children the use of this chemical was quickly phased out. The use of any lead compound in gasoline has been a Federal offence for some years now. Leaded gasoline is still available as a high octane aviation gasoliine.
Tri - is three, tetra is four and penta would be five.
there are 26 known aquarium tetra fish breeds
A tetra-decagon is a 14 sided polygon having 77 diagonals
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tetra means four, so four
About 4 species.