The right answer is
Table A Organic solvent
No Perfume No Fuel No Anesthetic No Adhesive Yes
There are two that seem correct to me but i would go with the first answer choice, a mole of cu atoms has the same number or atoms as a mole of he atoms.
The rate of decay of the isotope
Thy answer tis
1:2
ahh but why you may ask?
because there's 1 carbon bonded with 2 hydrogens.
the simplest answer,
because chemistry.