Answer:
In Beryllium there are two energy levels
Explanation:
Answer:
it is like when rubbing a balloon on your head the energy from your body and from you moving the balloon fast makes energy to make your hair stand up.
Explanation:
Hope this helps :)
<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>
Explanation:
hydropower energy is:
-renewable
-clean (doesn't produce toxins or emit harmful gases into the atmosphere)
-environment friendly
-cheap once installed