Answer:
four
Explanation:
adenine, thymine, guanine, and cytosine
The independent variable in the experiment is the soap and the dependent variable in the experiment is the number of water drops on the surface of the penny. The control is the penny without soap.
This element would have 122 neutrons.
Atomic mass is the accumulation of neutrons and protons.
169 - 47 = 122.
Therefore, there are 122 neutrons.
Answer:
The empirical formula is N2 CH4 O
Explanation: