Answer:
Na+ is smaller than Na because, it has given away one electron because of which the electron shielding gets stronger due to more protons and less electrons. Whereas, Cl- is larger than Cl because it has gained an extra electron and so, the no.07/12/2010
Explanation:
Answer:
The straight carbon links indicate butane.
The hydrogen atoms are replaced by the methyl radical:
The first is 2-methylbutane.
The second is 2:2-dimethylbutane.
Answer:
A. 7.56
b. 57.12
Explanation:
Hope that's right have a nice day :)
Remember this:
atomic mass= atomic number + number of neutrons
The atomic number (same thing as number of protons) in this case is 15. The atomic mass is 31.
So, we subtract 15 from 31 to find the number of neutrons.
31-15=16
16 neutrons!!!
a subshell is a subdivision of electron shells seperated by electron orbitals