Antimony has two naturally occurring isotopes. Their abundance is given in the pic attached below
Answer:
0.032 mole
Explanation:
Please mark me as brainliest
Answer:
b) sharpening a pencil
Explanation:
If you melt lead, boil water, or dissolve sugar in water, you can return all of them back to their original state. If you sharpen a pencil, you can't reattach the shavings as they were originally.
