<span>Ionization means pulling off an electron. So the first IE means removing 1 electron from lithium:
Li --> Li+ + 1 e-
The product is a + ion because it now has one more proton than electron.
The 2nd ionization energy is removing a 2nd electron from that resulting cation:
Li+ --> Li2+ + 1e- </span>
Answer:
These two numbers are fixed for an element. The mass number tells us the number the sum of nucleons of protons and neutrons in the nucleus of an atom. The atomic number also known as the proton number is the number of protons found in the nucleus of an atom. ... The atomic number uniquely identifies a chemical element.
Explanation:
The formula of Silver (III) Sulfide is Ag2S3.
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Answer: The Answer is minus 221kj.
Explanation: Solved in the attached picture.