Using the periodic table, All in the following table with the number of electrons in each energy level of the element given n - 1 level
n-2 level
n - 3 level
n-4 level
Element
(maximum 2) (maximum 8) (maximum 18)
Phosphorus 8
2
5
1

Explanation:

4 level please trust me ok

I think its level 3

hope this helps

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

what are the awnser choices? i mean, without choices, it is an incompleat