CBr4 is a symmetric tetrahedral molecule so it will be non-polar.
I believe the answer is D, but not 100%
Answer:
Al = 13.4% Cr = 38.8% O = 47.7
Aluminium Chromium Oxygen
Please give brainliest.
There is two ideas about evolution.
1.) Religious
2.) Scientific
In the religious one, people believe that we were created through god.
In the scientific one, people believe that we were created from apes and that throughout time we became humans.
After the first 2 min the 20 g are only 10g, (1 half-life)
after other 2 more min 5g (2 half-lives)
after other 2 more min 2.5 g (3 half-lives)
after 2 more 1.25 g (4 haf lifes)