6. An arson investigator is called to a suspicious fire that destroyed a house. The arson investigator collects a sample of debris, which was found at the base of the structure, containing some accelerant used to start the fire. Once the investigator goes back to the lab and tests the sample, a purple flame is emitted from the sample. What metal was part of the accelerant used to burn the house?

Question

6.	An arson investigator is called to a suspicious fire that destroyed a house.  The arson investigator collects a sample of debris, which was found at the base of the structure, containing some accelerant used to start the fire.  Once the investigator goes back to the lab and tests the sample, a purple flame is emitted from the sample.  What metal was part of the accelerant used to burn the house?

anonymous · Answer

Potassium

anonymous · Answer

kk i have one more question

anonymous · Answer

7.	A forensic scientist does a flame on a substance that was found at a crime scene.  What might the scientist conclude if the flame turns green?

anonymous · Answer

?

anonymous · Answer

oh wait i got it now but i have another question

anonymous · Answer

8.	Write a ground state electron configuration for each neutral atom. Ground state means that all of the lowest possible energy levels (up to the proper number of electrons for the element) are filled.
 
a.	Na
b.	Pb 
c.	Sr
d.	U 
e.	N 
f.	Ag 
g.	Ti 
h.	Ce 
i.	Cl 
j.	Hg