Answer:
More energy is released from the old substance than the new substance needs to form its chemical bonds
Explanation:
Edge 2020
Evaporation and transpiration
I might be completely wrong because this is a guess but I’d say false
Sorry if I’m wrong lol
<3
Answer:
(D) 4s
Explanation:
The electronic configuration of a Fe atom is:
1s² 2s² 2p⁶ 3s² 3p6 3d⁶ 4s².
<u>The subshell located farthest from the nucleus is 4s</u>, that's why it experiences the lowest effective nuclear charge.
This can be seen when looking at the electronic configurations of Fe⁺² and Fe⁺³:
Fe⁺² ⇒ 1s² 2s² 2p⁶ 3s² 3p6 3d⁶.
Fe⁺³ ⇒ 1s² 2s² 2p⁶ 3s² 3p6 3d⁵.