Answer:
20 neutrons
Explanation:
(not really any just look at a periodic table)
The ion that will be formed by the selenium atom shown below when it has a stable set of valence electrons is D) Se2-.
Answer: The final stage of the life cycle of a tree is when it has fully grown and reached the ... You should be confident in your supplier's approach to sustainability. ... This is the first occasion you will see a stem and perhaps a couple of leaves. ... The next phase is the sapling stage, this is when the sprout continues to grow and has ...
Explanation:
