<span>the highest ionization energy is Be, it is higher and righter than other elements in periodic table, so it harder to remove electron from its atom</span>
I believe it would be the first option. It forms iron oxide (rust) when exposed to moisture and air.
Force = mass x gravity
Force = 20 kg x 9.8 m/s²
Force = 196 Newtons
Answer A
hope this helps!
i dont think their are a exact number
