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When an atom of iron loses all of its 4s electrons and one of its 3d electrons, what is its charge? A. 5+ B. 52 C. 3+ D. 7+
When an atom of iron loses all of its 4s electrons and one of its 3d electrons, its charge is 3+.
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Asked 10/30/2018 4:49:26 PM
Updated 10/30/2018 10:08:55 PM
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When an atom of iron loses all of its 4s electrons and one of its 3d electrons, its charge is 3+.
Added 10/30/2018 10:08:55 PM
This answer has been confirmed as correct and helpful.
Confirmed by Sting [10/30/2018 10:12:29 PM]
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Covalent bonding (with an electronegativity difference below 0.5) results when fluorine bonds with A. potassium. B. fluorine. C. iodine. D. hydrogen.
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Updated 10/30/2018 4:43:31 PM
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Covalent bonding (with an electronegativity difference below 0.5) results when fluorine bonds with fluorine.
Added 10/30/2018 4:43:31 PM
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Confirmed by matahari [10/30/2018 5:26:11 PM]
Which element has the electron configuration 1s22s22p63s23p3? A. Scandium B. Phosphorus C. Arsenic D. Krypton
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Updated 10/30/2018 7:06:10 PM
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Phosphorus has the electron configuration 1s22s22p63s23p3.
Added 10/30/2018 7:06:10 PM
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Which of these lists the energies of the sublevels, from highest to lowest? A. s > p > d > f B. d > f > s > p C. d > p > s > f D. f > d > p > s
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Updated 10/30/2018 9:58:06 PM
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The energies of the sublevels, from highest to lowest is f > d > p > s.
Added 10/30/2018 9:58:06 PM
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Which of the following is true regarding the transition elements? A. Multiple oxidation states resulting from the involvement of d electrons in bonding is a characteristic of transition elements. B. Most transition elements have lower melting and boiling points than the main group elements. C. Changes in atomic radii in transition elements are greater than those in the main group elements. D. Transition elements have predictable reactivity patterns.
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Updated 6/24/2019 2:41:08 AM
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Multiple oxidation states resulting from the involvement of d electrons in bonding is a characteristic of transition elements. - is true regarding the transition elements.
Added 6/24/2019 2:41:08 AM
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Ethyne differs from ethene in what way? A. The carbons share three pairs of electrons in ethyne and only two pairs in ethene. B. Ethyne contains only carbon and hydrogen atoms. C. The carbons in ethyne are not fixed in place as they are in ethene. D. The carbons in ethyne each form three single bonds whereas those in ethene each form four single bonds.
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Updated 10/30/2018 7:31:53 PM
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Ethyne differs from ethene in in that: The carbons share three pairs of electrons in ethyne and only two pairs in ethene.
Added 10/30/2018 7:31:53 PM
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