An easy way to do these by yourself is to familiarize yourself with what each prefix means. Once you do this, you can multiply the value of the prefix when converting from a smaller unit of measurement to a larger one and divide the value of the prefix when converting from a large unit of measurement to a smaller one.
<span>D.) Oxygen would acquire a stable arrangement of electrons by bonding with two atoms of "Magnesium" [ As Mg has 2 extra electrons & their size are quite similar ]
