Hydrogen is in column 1 of the periodic table what information does this give us?
there is one other element that hydrogen will bond with
there is one neutron in the nucleus.
the mass of the atom is one
there is one electron in the outer energy level

There is one electron in the outer energy level.

Explanation:

The arrangement of elements in modern periodic table is based upon the electronic configuration of elements. In first column of a modern periodic table, the outermost electronic configuration of elements is ns1.

There is only one electron in a hydrogen atom, so its electronic configuration is 1s1 which makes it a suitable element to be placed in the first column of modern periodic table.

b is the correct answer

the correct answer is sex-linked recessive.

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