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    What elements are most likely to form 2^(

    The elements that are most likely to form "2"^- ions are the group 16 elements. Their atoms have 6 valence electrons, and need 2 more to have a full valence shell of 8 electrons in order to become stable. When they gain 2 electrons in order to have 8 valence electrons, an octet, they gain a 2^- charge. This concept is explained in the following video: Video from: Noel Pauller

    What elements are most likely to form

    2 − ions? Chemistry

    1 Answer

    Meave60 · mrpauller.weebly.com

    May 4, 2015

    The elements that are most likely to form

    2 −

    ions are the group 16 elements. Their atoms have 6 valence electrons, and need 2 more to have a full valence shell of 8 electrons in order to become stable. When they gain 2 electrons in order to have 8 valence electrons, an octet, they gain a

    2 − charge.

    This concept is explained in the following video:

    Video from: Noel Pauller

    Answer link

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    chapter 6 science Flashcards

    Start studying chapter 6 science. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

    chapter 6 science

    4.3 6 Reviews

    which of the following groups contain three elements with stable electron configurations

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    helium, xenon, neon

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    typically, atoms gain or lose electrons to achieve

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    a stable electron configuration

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    Terms in this set (26)

    which of the following groups contain three elements with stable electron configurations

    helium, xenon, neon

    typically, atoms gain or lose electrons to achieve

    a stable electron configuration

    in an electron dot diagram, the symbol for an element is used to represent

    the nucleus and all non-valence electrons

    ionization energies tend to

    increases from left to right across a period

    the formation of an ionic bond involves the

    transfer of electrons

    in the compound of MgCl, the subscript 2 indicates that

    there are two chloride ions for each magnesium ion

    which statement best describes the properties of sodium chloride

    liquid sodium chloride is a good conductor of electric current

    which of the following compounds do not contain molecules

    NaCl

    you see a structural formula in which the symbols for element are connected by a long dash. you can assume that the chemical bonds in the compound are

    covalent

    which o the following formulas represents a compound who's molecules contain a triple bond

    N=N

    in a polar covalent bond

    electrons are not shared equally between atoms

    the water molecule h2o is polar because it contains 2 polar singles bonds and

    its molecule has a bent shape

    water has a higher boiling point than expected because

    the strong attractions between polar molecules

    because water molecules are polar are carbon dioxide molecules are non polar

    ?

    the elements most likely to form more than one type of ion

    transition metals

    fluorine, F, forms a binary ionic compound with lithium, Li. what is the name of this compound

    lithium fluoride

    the name iron (II) indicates that a compound contains

    iron ions with a two plus charge

    alkali metals, alkaline earth metals, and aluminum all form ions with positive charges equal to the

    group number

    beryllium, Be, and chlorine, Cl, form a binary ionic compound with a one to two ratio do beryllium ions to chloride ions. the formula for the compound is

    BeC12

    the name carbon dioxide the prefix of the second word indicates that a molecule of carbon dioxide contains

    2 oxygen atoms

    which phrase best describe the metallic bond

    the attrition between a metal cation in a shared pool of electrons

    metallic bonding is similar to Ionic bonding because

    there is an attraction between positively charged and negatively charged particles

    many metals can be drawn into thin wires without braking because

    cations are still surrounded by electrons when they shift there position in the lattice

    which statement about metals is true

    electrons and metal lattice are free to move

    an alloy that contains mainly iron and carbon is

    stainless steel

    how does increasing the amount of carbon in steel affect its properties

    carbon make the lattice harder and stronger

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    Transition Metal Ions

    Covers transition metal, ionization of transition metals, and inner shell electrons.

    Mute me 7.5

    Transition Metal Ions

    FlexBooks 2.0  >  CK-12 Chemistry For High School  >  Transition Metal Ions

    Last Modified: Sep 04, 2018

    Lesson Review Asked on Flexi Related Content

    Lesson

    [Figure 1]

    What kind of coin is this?

    Most of us are familiar with the common coins: penny, nickel, quarter.  In some areas (such as Las Vegas), you might see large amounts of silver dollars (these get a little heavy in your pocket).  But most of us have probably never seen a platinum eagle – an eagle coin, but one that is held primarily by collectors.  If you were to take a one-ounce platinum eagle into a store and try to buy one hundred dollars worth of items, the store owner most likely would not believe you when you told them the coin was worth one hundred dollars.  It would also be awkward and annoying if you lost one of these coins out of your pocket.  Platinum is just one of several transition metals that is worth a lot of money (gold is another one).

    The group 1 and 2 elements form cations through a simple process that involves the loss of one or more outer shell electrons.  These electrons come from the s orbital and are removed very readily.

    Transition Metal Ions

    Most transition metals differ from the metals of Groups 1, 2, and 13 in that they are capable of forming more than one cation with different ionic charges. As an example, iron commonly forms two different ions. It can sometimes lose two electrons to form the Fe2+ ion, while at other times it loses three electrons to form the Fe3+ ion. Tin and lead, though members of the p block rather than the d block, also are capable of forming multiple ions.

    [Figure 2]

    Ionic formation for transition metals is complicated by the fact that these elements have unfilled inner d shells.  Although the next higher s orbitals are actually at a lower energy level than the d level, these s electrons are the ones that are removed during ionization.

    Table below lists the names and formulas of some of the common transition metal ions:

    Common Transition Metal Ions

    1+2+3+4+

    copper(I), Cu+ cadmium, Cd2+ chromium(III), Cr3+ lead(IV), Pb4+ gold(I), Au+ chromium(II), Cr2+ cobalt(III), Co3+ tin(IV), Sn4+ mercury(I), Hg22+ cobalt(II), Co2+ gold(III), Au3+ silver, Ag+ copper(II), Cu2+ iron(III), Fe3+ iron(II), Fe2+ lead(II), Pb2+ manganese(II), Mn2+ mercury(II), Hg2+ nickel(II), Ni2+ platinum(II), Pt2+ tin(II), Sn2+ zinc, Zn2+

    Uses for Transition Metals

    Because there are so many metals in this group, there are a wide variety of uses. Many of the metals are used in electronics, while others (such as gold and silver) are used in monetary systems.  Iron is a versatile structural material.  Cobalt, nickel, platinum, and other metals are employed as catalysts in a number of chemical reactions.  Zinc is a significant component of batteries.

    Summary

    Transition metals have unfilled inner d electron shells.

    Ions form primarily through loss of s electrons.

    Many transition metals can form more than one ion.

    Transition metals have a wide variety of applications.

    Review

    What is unique about the electron configurations of transition metals?

    Which electrons of transition metal elements are most likely to be lost during ion formation?

    How many ions can iron form?

    Which transition metal forms only one ion?

    List several uses for transition metals.

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