Tuesday, July 31, 2012

chemistry


What is the total number of electrons in a completely filled fourth principal level? 

A. 8
B. 10
C. 16
*D. 32 

The characteristic bright line spectrum of an element is produced when its electrons 

A. Form a covalent bond
B. Form an ionic bond
C. Move to a higher energy state
*D. Move to a lower energy state 

 Which emanation has no mass and no charge? 

A. Alpha
B. Beta
*C. Gamma 
D. Neutron

No comments:

Post a Comment

Please add any Info about the MCATs that you think may be helpful to our readers. Thanks!