Ions quiz #9 Flashcards
Ions quiz #9
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The ion configuration for P3- would have the same configuration as which element? Argon (Ar). How many electrons does Al3+ have? Al3+ has 10 electrons. Which element will form a negatively charged ion? Chlorine will form a negatively charged ion. What is the number of electrons in an Al3+ ion? Al3+ has 10 electrons. Which ions are isoelectronic with Xe? I- and Cs+ are isoelectronic with Xe. How many electrons are in a phosphorus ion in total? P3- has 18 electrons. How many electrons does O2- have? O2- has 10 electrons. What is the most stable monatomic ion formed from lithium? Li+ is the most stable monatomic ion of lithium. What is the charge of an ion that has 12 protons? If it has 10 electrons, the charge is +2. What ions are formed when NH4NO3 is added to water? NH4+ and NO3- ions are formed. Which of the following is not isoelectronic with the others? An ion with a different number of electrons than the others is not isoelectronic. What is the charge on Co? The charge depends on the compound; in CoCl2, Co is +2. Which two ions make up most of the salt? Na+ and Cl- make up most of the salt. Which describes an atom with a negative net charge? An atom with more electrons than protons is an anion. What is the charge of ammonium? Ammonium (NH4+) has a +1 charge. Which element is most likely to ionize by losing two electrons? Magnesium is most likely to lose two electrons. What is the charge on a sulfur ion? A sulfur ion (S2-) has a -2 charge. Which of these is an ion: Cu, PO4^3-, SO2? PO4^3- is an ion. What is the most stable monatomic ion formed from caesium? Cs+ is the most stable monatomic ion of caesium. Sodium in its ion form is expressed as Na+. How many protons and electrons does it have? Na+ has 11 protons and 10 electrons. How many protons and electrons are present in O2-? O2- has 8 protons and 10 electrons. What element forms an ion with an electronic configuration of [Ar] and a -2 charge? Sulfur forms S2- with [Ar] configuration. What is the charge on the iron ion in Fe2S3? Each iron ion has a +3 charge. How many total electrons are in a Fe2+ ion? Fe2+ has 24 electrons. Iodine in its ion form is expressed as I-. How many protons and electrons does it have? I- has 53 protons and 54 electrons. Which of these atoms or ions is not isoelectronic with the other examples? An atom or ion with a different number of electrons is not isoelectronic. What ions are present in an aqueous solution of NaOH? Na+ and OH- ions are present. What is the most stable monatomic ion formed from aluminum? Al3+ is the most stable monatomic ion of aluminum. What element forms an ion with an electronic configuration of [Xe] and a -2 charge? Tellurium forms Te2- with [Xe] configuration. How many protons are in an ion with 18 electrons and a -1 charge? It has 17 protons (Cl-). What ions are present in an aqueous solution of NiCl2? Ni2+ and Cl- ions are present. Which of the following elements would likely form an anion during ion formation? Nonmetals, such as chlorine, would form anions. Which neutral atom is isoelectronic with F+? Neon (Ne) is isoelectronic with F+. How many total electrons are in a Ba2+ ion? Ba2+ has 54 electrons. What element forms an ion with an electronic configuration of [Ne] and a -2 charge? Oxygen forms O2- with [Ne] configuration. A chlorine atom has 18 electrons and 17 protons. What is this atom called? It is a chloride ion (Cl-). What is the charge of the sulfide ion? The charge of the sulfide ion (S2-) is -2. Which neutral atom is isoelectronic with O2+? Nitrogen (N) is isoelectronic with O2+. What element forms an ion with an electronic configuration of [Kr] and a -2 charge? Selenium forms Se2- with [Kr] configuration. How many total electrons are in a Sr2+ ion? Sr2+ has 36 electrons.
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