Within a period, the nuclear charge increases as you move from left to right across the
1 answer:
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Answer: E = - 19.611× J
Explanation: The lowest possible energy can be calculated using the formula:
where:
Z is atomic number of the atom;
k is a constant which contains other constants and is 2.179× J
n is a layer;
For the lowest possible, n=1.
Atom of Lithium has atomic number of Z=3
Substituing:
J
<u>The energy for the electron in the </u><u> ion is - 19.611 joules</u>