Answer:
23
Explanation:
we do not care about electrons, so 11 + 12 = 23
Answer:you can write the definition of some main words in your experiment and the main idea of the experiment and how the experiment is to talk about.
Explanation:
Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud.
B- Carbon nitrogen and oxygen. All organisms are made up of carbon, oxygen is essential to breath, and nitrogen makes up most of earth's atmosphere.