1. B 2. B 3. ? 4. B 5. C 6. A 7. D
I’m sure these are right. I’m just not 100% for 3.
The homologous structures and the analogous structures of different species.
Answer:
The closest noble gas to silicon is Neon (Ne)
Explanation:
Hey there!
Electrons are negatively charged and orbit the nucleus of the atom on energy levels (kind of in a cloud) :)
(The blue dots on the picture)
