True, if you would like an example look at Indian arrow heads or early architecture all use rocks.
The second and first one but if it isn’t 2 choices then 1
Is there a picture of the isotope or?- becaue I can’t help if I don’t have a visual.
sorry but I don't know so sorry
Number of moles = mass of Ni /molecular mass of Ni
mass of nickel = 86.4 g
molecular mass of nickel = 58.69
number of moles of Ni in 86.4 g
=86.4/58.69
=1.472 mol
(rounded to four significant figures instead of three because the first digit of the answer starts with a 1).
