Look at the image below. Which one of these generic Lewis Dot Diagrams best represents CF4? (Just type the appropriate red number.)
1
2
3
X:X
A:X
X:
5
6
Z
• X
100
9

ASAP PLEASE QUICK LOOK AT PICTURE
10
.X:
11
Х
::A:X
OX:A:
X:A: X
Х
Х

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !