Tuesday, August 7, 2012

chemistry


Answers will on next post

Which atom in the ground state has only one unpaired electron in its valence shell?

A. Aluminum
B. Silicon
C. Phosphorus
D. Sulfur

 The shape and bonding of a diatomic bromine molecule are best described as 

A. Symmetrical and polar
B. Symmetrical and nonpolar
C. Asymmetrical and polar
D. Asymmetrical and nonpolar

 What is the oxidation number of sulfur in H2SO4? 

A. 0
B. -2
C. +6
D. +4

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