The answer youre looking for is a. carbon, hydrogen, and oxygen.
Hope this helps!
Maybe you can help me with my Chemistry question I posted? Its on my profile, unanswered.
Answer:
E = NA/R^n - N alpha e^2/ (4 piEoR')
Explanation:
Where N = number of positive ion pairs
e= magnitude
R= interatomic distance
n = the Born exponent
4 mutations occured, as four letter we're different 25 million years later. Over one hundred years we can expect it to mutate at the sane rate, but 4 times longer. 4 time 4 is 16 mutations over 100 million years
Answer:
by determining or looking up the electron configurations of the main group elements.
Explanation:
The valence electrons participate in chemical reactions. ... You can also find the core and valence electrons by determining or looking up the electron configurations of the main group elements.