The Avogadro`s number is 6.022 × 10 ^ 23 or 6.0221409 × 10^23
Avogadro`s number is the number of units in one mole of any substance :)))
i hope this be helpful
* merry Christmas *
I believe the answer is false. Hydrogen is in the S=1 energy level with helium which means that the only valence orbital hydrogen has is the 1s orbital. s orbitals only have 2 electrons in them meaning that in order for hydrogen to achieve a full valence energy level it would only need to gain 1 electron. Also if the question is asking how many electrons it would take for hydrogen atom to get an octet (eventhough it would never try to) it would still be false since it would need to fill the 2s and 2p orbitals after filling the 1s orbital. Hydrogen would need to gain 1 electron to fill the 1s orbital, 2 electrons to fill the 2s orbital, and 6 electrons to fill the 2p orbital which adds up to 9.
I hope this helps. Let me know if you have any further questions or if anything is unclear.
Meteors are asteroids coming into earths atmosphere while a comet is kinda like an asteroid but it's made out of this ice like structure and meteors aren't in orbit like comets
Answer:
correct answer is precipitation and evaporation
Explanation:
solution
correct answer is precipitation and evaporation because in the evaporation process of water cycle, the atmosphere is directly interact with the hydrosphere as water changes from liquid into vapor or gas form
and Precipitation is the process when water that may be in the form of snow or hail or rain etc that is fall from the cloud into the open sky
so correct answer is precipitation and evaporation
It is endothermic reaction ΔH>0 (sign is +).
Because it is spontaneous reaction ΔG<span><0 (Gibbs free energy)
</span>ΔG=ΔH-TΔS, so must be TΔS>ΔH and ΔS<span>>0 (sign +).</span>