have the lowest first ionization energies of the groups listed. Halogens Alkaline earth metals Transition elements…
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Question “have the lowest first ionization energies of the groups listed. Halogens Alkaline earth metals Transition elements…”
Answer
(1)
The answer is Alkali Metals
Alkali metal only have one electron in their outermost orbit, and they lose it to make noble gas. They have the lowest first ionization energy.
To complete an octet, halogens require one electron. They have a very high I.E.
Two electrons are found in the outermost orbit of Alkaline earth Metals. Their first I.E. Their first I.E. is higher than that of alkali metallics.
D-sub shell, which is involved in transition elements, has more energy than the alkali metallics required to remove an electron.
(2)
The answer is 6
Three bonds equals six bonded electrons.
(3)
The answer to that question is HF.
Florine has a higher electronegativity than Chlorine. Therefore, HF is more polar that HCl.
The Cl2 or F2 are not polar.
(4)
The answer to this question is Linear geometry
Conclusion
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