The accurate answer is
<span>b) Protoporphyrin is bound to a single iron atom in its Fe+3 state
Explanation:
</span>Protoporphyrin is bound to a single iron atom in its Fe+2<span> state.</span>
Answer:
Gravitational force is given by:
F=G×
d
2
m×M
Distance between two masses is increased s.t. new distance is D= 5 d
New gravitational force F
1
=F
Let on of the mass is changed to m
1
so as to maintain the same gravitational force.
Atom
Atom
Cathode rays
Neutron
Equal to
Protons
Subtract the atomic number
1
Carboxylic acid...........
It would be gold ...................