Approximate molecular masses:
Molecular mass of C = 12
Molecular mass of H = 1
Let n = moles required for CH₂.
Then
nCH₂ = 98
n(12 + 2*1) = 98
14n = 98
n = 7
Answer: The molecular formula is 7CH₂
Chlorine because it lacks one valence electron to fill it's outer shell
The <span>formula for carbon tetrachloride is CCl4. The answer is letetr D. The rest of the choices do not answer the question above.</span>
i just cant understand the question
please take a clear pic
- Frequency=v=2×10^15Hz
- Energy=E
Using planks quantum theory