the elements most likely to form more than one type of ion are the
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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
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.
Image Attributions
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