B steam causes wheels to turn is correct
Answer:
![{\boxed{\text{$_{29}^{70}${Cu}}}](https://tex.z-dn.net/?f=%7B%5Cboxed%7B%5Ctext%7B%24_%7B29%7D%5E%7B70%7D%24%7BCu%7D%7D%7D)
Explanation:
The atomic number (Z) of copper is 29 and this isotope has an atomic mass (A) of 70.
The general symbol for an isotope E is
.
The atomic number is a left subscript, and the atomic mass is a left superscript.
![\rm {\text{The nuclide notation for copper-70 is }}{\boxed{\textbf{$_{29}^{70}${Cu}}}](https://tex.z-dn.net/?f=%5Crm%20%7B%5Ctext%7BThe%20nuclide%20notation%20for%20copper-70%20is%20%7D%7D%7B%5Cboxed%7B%5Ctextbf%7B%24_%7B29%7D%5E%7B70%7D%24%7BCu%7D%7D%7D)
Answer:
The total mass of the reactants equals the total mass of the products.
Explanation:
When the prefix cyclo comes before the name of a hydrocarbon, it means that the molecule is circular. cyclo hydrocarbons, for examples cyclo-alkanes are hydrocarbons containing one or more rings. The carbons in the molecules of cyclo hydrocarbons are arranged in form of rings.