Answer: 3.35x10²³atoms H2
Explanation: solution attached:
Convert mass of Al to moles
Do the mole to mole ratio between Al and H2
Convert moles of H2 to atoms using Avogadro's number.
Answer:
Maria
Explanation:
The gravity of the earth is so strong it causes the magnetic pull of anything and everything, this causing the ball to be dropped and pulled towards earth
Answer:
dissolving sugar in water
burning a candle
Explanation: these both have chemical and physical changes happening to them.
Answer:
1. matches with elements.
2. matches with compounds.
3. matches with atoms
4. matches with weight
5. matches with gas
6. matches with carbon dioxide
7. matches with Mendeleev (there's an element named after him)
8. matches with IUPAC
Hope that helped :)
Answer:
orbits
Explanation:
An orbital is a region of space where there is a high probability of finding an electron.
