Physics, 14.05.2021 01:40 brianwins07
Please answer all of the questions
1. What are the three types of particles, and their charge, that can be found in an atom?
2. Why does every element except hydrogen need at least one neutron in its nucleus?
3. The atomic number of carbon is 6 and the atomic number of nitrogen is 7. How do the number of neutrons and protons in the nuclei of carbon-14 and nitrogen-14 differ?
4. What is the atomic mass of gallium, which occurs naturally as 60% gallium-69 and 40% gallium-71? Show you work.
Answers: 3
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