Posted by Mary on Monday, April 26, 2010 at 8:10pm.
Why does losing two electrons to form a +2 Cation cause the greatest shrinkage in atomic radius of the following? People are telling me that's the answer but I don't understand.
a. Gaining one electron to form a 1+ cation
b. Losing two electrons to form a 2+ cation
c. Gaining two electrons to form a 2- anion
d. Gaining two electrons to form a 2+ cation
e. Gaining one electron to form a 1- anion
f. Losing one electron to form a 1+ cation
- Chemistry - DrBob222, Monday, April 26, 2010 at 8:34pm
Losing electrons from an outside shell forms a + charge (cation) AND reduces the size (fewer electrons occupy less space).
Gaining electrons forms a negative charge (anion) AND increases the size (more electrons occupy a larger space).
a. Gaining one electron to form a 1+ cation Gaining one electron forms an anion.
b. Losing two electrons to form a 2+ cation OK
c. Gaining two electrons to form a 2- anion See above. Gaining electrons increases the size.
d. Gaining two electrons to form a 2+ cation Gaining two electrons forms a -2 charge
e. Gaining one electron to form a 1- anion True BUT gaining electrons increases the size.
f. Losing one electron to form a 1+ cation True and it decreases the size but not as much as losing two electrons.
- Chemistry - Mary, Monday, April 26, 2010 at 11:00pm
Much obliged. I appreciate how you explain how to figure it out, as opposed to just telling me the answer.
- Chemistry - Evette, Thursday, November 4, 2010 at 11:37pm
How many electrons are transferred between the cation and anion to form the ionic bond in one formula unit of each compound? LIF, CaS, NaCI, KBr, BaO
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