Answer:
Rounding for significant figures gives us a final answer of 3.41×1022 atoms 3.41 × 10 22 a t o m s atoms of oxygen.
A) Temperature does not affect reaction rate
Answer: A wave
Explanation:
Because it’s the one that’s cause the new medium to go between the two media.
Answer:
Between oxygen and selenium, oxygen is more electronegative because of more ionisation energy and small size
Explanation:
Its d its the only one that makes sense