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Periodicity questions with 100% correct answers
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Periodicity questions with 100% correct answers
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Periodicityalkali metals - correct answer ✔✔Li, Na, K, Rb, Cs, Fr Group 1 (IA)
alkali - correct answer ✔✔'Plant ash'; having a pH > 7; basic
valence - correct answer ✔✔charge of an atom
valence shell - correct answer ✔✔outermost electron shell
oxidation state - correct answer ✔✔another term for charge of an atom
alkaline earth metals - correct answer ✔✔Be, Mg, Ca, Sr, Ba, Ra;Group 2 or IIA
chalcogens - correct answer ✔✔O, S, Se, Te, Po;Group 16 or VIA
electron affinity - correct answer ✔✔the amount of energy involved in the addition of one electron to an
atom
electronegativity - correct answer ✔✔A measure of the ability of an atom to attract electrons
ionization energy - correct answer ✔✔the amount of energy needed to remove one electron from an
atom
group - correct answer ✔✔a family; elements in the same column
family - correct answer ✔✔a group; elements in the same column
halogens - correct answer ✔✔F, Cl, Br, I , At;Group 17 or VIIA
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