Answer:
1 mole of atom is correct.
Answer:
• One mole of oxygen is equivalent to 16 grams.
→ But at STP, 22.4 dm³ are occupied by 1 mole.

Here we assume that disintegration has occur so the normal t½ formular will not be used
mathematically we..⅛×5600 =700
therefore it is about 700years option A
Answer:
depends on how many you have...
Explanation:
Answer:
I took a screen shot of your image, and wrote on top of it!
Explanation:
Hope this helps! :)