Page 260 - Chemistry eBook

overall char 10 electrons,
( (
ents in Perio reasing atomi ease in
ass
adius egativity zation energy
e of an ion that has nd 14 neutrons?
3) 4􏰁 4) 4􏰀
3 are considered in c number, there is a
34
35
Which electron configuration represents the electrons of a sulfur atom in an excited state?
(1) 2-6-6 (3) 2-8-4
Sample Regents Questions
(2) 2-7-7 (4) 2-8-6
Given the word equation:
sodium chlorate → sodium chloride 􏰀 oxygen
Which type of chemical reaction is represented by this equation?
(1) double replacement (3) decomposition (2) single replacement (4) synthesis
[5]
June 2013 #35
Answer
[OVER]
Choice #3
Explanation: Decomposition means a compound is broken down into smaller parts.
eg a
md c
r
m r
i
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