Atomic number 1 4 10 11 12 17 18 19 20 - - - - - - - - Symbol H He Li Be - -- F Ne Na Mg - -- CI Ar K Ca - - - Nonreactive gas Soft, Nonreactive gas Soft, Nonreactive gas Soft, reactive metal reactive metal reactive metal A Figure 2.13 Arranging elements by atomic number reveals a periodic pattern of properties. This pattern is the basis of the periodic table. 3.

Q: What is the charge of an iron ion with 24 electrons? Is this a cation?

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Q: When a chlorine atom forms the chloride ion, it has the same charge as the ion.

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Q: Compare According to the periodic table, which two elements have an atomicmass less than twice their…

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Q: which binary combinations of elements are most likely to give ionic substances?

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Q: positive charge

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Q: Which of the following is an ion with a single negative charge? 1) H₂C-Ö: ỦY CỔNỘI iii) E :OWN iv)…

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