I attached the working and the answer to both questions below.
Please note that E = energy, ν = frequency, h = Plank's Constant
<span>The energy of a 4.66 x 10</span>¹⁴<span> Hz wave is
3.088 </span>
× <span>
10</span>
⁻¹⁷ J
This is valid only if the two elements have the same valence
It helped be able to look more closely at the the cells
Answer:
7
Explanation:
N-14 has 7
i looked it up ye ur probably gonna get it right