Answers:
1. Chemistry
2. Cold
3. Heat
4. Protons and neutrons
5. Positive
6. Neutral
7. True
8. Nucleus
9. Protons
10. Nobel gasses
11. Dmitri Mendeleev
12. the bottom of the square
13. True
14. Helium
Clouds are xondense form of water vapour over dust particles present in the upper atmosphere.
It effects the weather as when the clouds get heavy they get precipitate in the form pf rain, snow, hail. because of these factors temperature goes down and make us feel cold.
HOPE THIS WILL HELP U
You are left with a chloride ion, so you started off with a chlorine atom.
Cl + e- → Cl-
Organisms is an environment or habitat for species