Answer:
Electron affinity increases upward for the groups and from left to right across periods of a periodic table because the electrons added to energy levels become closer to the nucleus, thus a stronger attraction between the nucleus and its electrons.
Answer:
The third one
Explanation:
Nickel-62 has the highest binding energy per nucleon of any isotope for any element. Isotopes heavier than 62Ni cannot be formed by nuclear fusion without losing energy.
Answer:
It is the most recent idea of the atom and it is proved to be true
Explanation:
Answer:
There are total 8 bonding electrons 6 frm the both Carbons and 2 from both hydrogens.
Explanation: