<span> N-16
</span>7 protons & 9 neutrons
<span>7 + 9 = 16
</span>
N2O is compound becoz it has more than one type of atoms.
<span>Air is homogeneous mixture becoz it has different gases which are does not bonded to each other</span>
A mutation that gives a rabbit a third ear
He used prisms to demonstrate how white light is in fact made
