Hf Which is hafnium your welcome
Answer:
D. Shaking a cake [...]
Explanation:
None of the rest are actual physical models representing earthquakes.
Hope that's right! :D
The ozone molecule consists of three atoms of oxygen (O₃).
Answer:
when we have a chemical reaction the total of all substances don't change
The charge of a nucleus is neutral, meaning it’s zero
the positive charges of an atom equal the negative charges so the atom has a neutral charge
