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CHM Ch 6

CHM Ch 6 Q 1

QuestionAnswer
In ionic compounds, ________ lose their valence electrons to form positively charged ________. metals, cations
A positively charged particle formed by loss of one or more electrons from an atom cation
A small negatively charged particle formed when an atom gains one or more electrons anion
When an atom donates an electron, that electron is acquired by another atom which becomes an anion.
One characteristic of a cation is that it has more protons than electrons.
How many electrons will aluminum gain or lose when it forms an ion? lose 3
What is the symbol for the ion with 19 protons and 18 electrons? K+
Which of the following ions does not have the same electron configuration as the noble gas neon? S-2
To form an ion, a sodium atom loses one electron
An anion always has a negative charge
What is the ionic charge of an ion with 13 protons and 10 electrons? 3+
The number of electrons in an ion with 16 protons and an ionic charge of 2- is 18
Elements in group 2A (2) of the periodic table form ions with a charge of 2+
What is the most likely charge on an ion formed by an element with a valence electron configuration of ns2np5 1-
What is the valence shell electron configuration of the ion formed from an atom of the halogen family? ns2 np6
What is the most likely charge on an ion formed by an element with a valence electron configuration of ns1 1+
What is the most likely charge on an ion formed by an element with a valence electron configuration of ns2np4 2-
The ion of aluminum is Al3+
How many electrons will chlorine gain or lose when it forms an ion Gain 1
When a cation is formed from a representative element electrons are lost and the ion is smaller
An ionic compound ________. has a net charge of zero
Main group elements that are metals usually ________ one or more electrons to form ________, which have a ________ charge. lose; cations; positive
Main group elements that are non-metals usually ________ one or more electrons to form ________, which have a ________ charge. gain; anions; negative
An atom with three valence electrons will most likely ________ to attain an octet of valence electrons. lose three electrons
Which element will form an ion with the greatest positive charge? Al
In order to form an octet, an atom of selenium will gain 2 electrons
The charge on a sulfide ion is 2-
Which of the following elements is most likely to form an ion with a +2 charge? Mg
An element belonging to the halogen family would be expected to have a ________ ionization energy and a ________ electron affinity. large; large
An element belonging to the alkaline earth family would be expected to have a ________ ionization energy and a ________ electron affinity. small; small
Created by: alexisperrell
 

 



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