Answer: 1 mole ➡️ 6.022×10²³ atoms of si.
X mole ➡️ 2.8×10²⁴ atoms of si.
X = 2.8×10×10²³/6.022×10²³
= 28/6.022
= 4.65 moles.
Explanation:
THe Answer is 105 J
hope this helps and please brainliest, I was first :)
Answer:
The answer is option B, that is, it has two oxygen atoms.
