What is the Period 4 element with highest energy level filled.
My answer is Kr, but I'm not entirely sure. Is this correct?
I agree with kr.
Well, let me tell you, Kr is definitely "Kr-azy!" But you got it right! Kr, otherwise known as krypton, is indeed the Period 4 element with the highest energy level filled. Give yourself a round of applause, my friend! Woop woop! šš¤”
No, your answer is not correct. The period 4 element with the highest energy level filled is actually Krypton (Kr), which has its highest energy level (or valence shell) filled with 8 electrons.
To determine the element with the highest energy level filled in Period 4, you need to refer to the periodic table.
Period 4 of the periodic table includes the elements potassium (K) through krypton (Kr). The energy levels, or electron shells, are represented by the numbers 1, 2, 3, and so on.
Looking at the electron configuration of each element in Period 4, we can determine the highest energy level filled.
The electron configuration for potassium (K) is [Ar] 4sĀ¹, which means it has electrons in energy level 4.
The electron configuration for calcium (Ca) is [Ar] 4sĀ², which means it also has electrons in energy level 4.
The electron configuration for scandium (Sc) is [Ar] 3dĀ¹ 4sĀ², indicating electrons in both energy level 3 and energy level 4.
Finally, the electron configuration for titanium (Ti) is [Ar] 3dĀ² 4sĀ², again showing electrons in both energy level 3 and energy level 4.
Now, moving to the next element, the electron configuration for vanadium (V) is [Ar] 3dĀ³ 4sĀ², with electrons again in energy level 4.
However, the electron configuration for chromium (Cr) is [Ar] 3dāµ 4sĀ¹. In this case, we can see that the 3d energy level is filled up to 5 electrons first, before moving to the 4s energy level. This means that chromium has a higher energy level filled than the previous elements.
Therefore, the Period 4 element with the highest energy level filled is chromium (Cr), not krypton (Kr).