Answer:
n don't hv symmetry lines.
so the symmetry of n is 0
Answer: iron atoms
Explanation:
According to avogadro's law, 1 mole of every substance weighs equal to the molecular mass and contains avogadro's number of particles.
contains= 2 atoms of iron
contains= atoms of iron
thus 0.32 moles of contains= atoms of iron
Thus the sample would have iron atoms.
The correct answer is option 2. When Pt2+ is reduced it loses electrons, oxidizing it. The oxidation number is the charge of the atom. Adding an electron, decreases the net charge consequently the oxidation number.