Answer:
28
Explanation:
it states that the atom is neutral, meaning the number of electrons and protons are the same. so if there are 13 electrons, there are 13 protons. And the mass number is neutrons plus protons. So 13+15 is 28
Answer:
1. E. mitochondrion
2. C. chloroplasts
3. G. vacuole
4. A. cell membrane
5. B. cell wall
6. D.cytoplasm
7. F. Nucleus
8. cytoplasm
9. cell membrane
10. chloroplast
11. mitochondrion
12. nucleus
13. cell wall
14. vacuole
Explanation:
- Be familiar which each term.
- Look up diagram to understand image.
- Hope that helped! Please let me know if you need further explanation on each word.