Answer:
D. Sr < Ca < Be
Step-by-step explanation:
<em>Ionization energ</em>y decreases from top to bottom within a Group, because the valence electrons are further from the nucleus and therefore easier to remove.
Thus, <em>Sr has the lowest</em> ionization energy and <em>Be the highes</em>t.
The correct order is Sr < Ca < Be.
To help, I drew a diagram. This represents an ionic bond between Na and Cl. Na is giving his single electron to Cl, which is indicated by the arrow, to make Cl full with 8 electrons.
Answer:
Its A.) Polymers are macromolecules
Explanation:
Monitoring and regulating nuclear waste generated and issues associated to it the US.
Answer:
No 1 is fission
while no 2 is fusion
Fission is splitting on nucleus while fusion is forming heavier nucleus with nuclei
