Thursday, August 23, 2012

chemistry


Answers 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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