A section of the periodic table is provided here. Which of the following differences in electron affinity is predicted from the relative positions of the two elements on the periodic table? *
A Silicon has an electron affinity equal to carbon.
B Selenium has a lower electron affinity than oxygen.
C Carbon has a lower electron affinity than boron.
D Chlorine has a higher electron affinity than fluorine.

autosomal

explanation:

is a term used in genetic genealogy to describe dna which is inherited from the autosomal chromosomes

the relative atomic mass of an element is the mass of one atom of that element, relative to 1/12th of the mass of a  1212c atom. to convert to an absolute mass in kg, it is necessary to multiply by  1.661×10−271.661×10−27.

the relative atomic mass is roughly equal to the number of neutrons, plus the number of protons, in the nucleus of the atom.

for elements with more than one stable isotope (different types of nucleus with different numbers of neutrons but the same number of protons), the quoted mass is usually the average mass, weighted by the relative abundance of the different isotopes.

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