Answer:
Si4Br8
Explanation:
The chemical names are formed with prefix and suffix with helps in the formation of chemical formula. Example of prefix are mono- means one, “di-” means two, and “tri-” is three" and suffix are "ide". Prefix represents the number of elements present in the compound and so help in formation of chemical formula.
The formula for Tetrasilicon octabromide is Si4Br8 as "tetra" used as prefix which represents that there are 4 element of silicon present in the compound and "octa" used as prefix in bromide represents that there are 8 element of bromide present in the compound.
Hence, the correct answer is "Si4Br8".
The term for a conclusion drawn strictly from personal belief is "opinion."<span> Synonyms for the word "opinion" include: "point of view," "judgement," and "assessment."</span>
Answer:
The height of the stack will be
km.
Explanation:
Thickness of the single penny ,t= 1.0 mm
Avogadro number = 
If we stack Avogadro numbers of pennies one top of the other on Earth surface, the height of the pennies can be said to be h.





The height of the stack will be
km.