A "3" should but put in front of
<span>"cas o 4 "</span>
Answer:i think it is c, it explodes in water because that’s a chemical reaction
Explanation:
Answer:
The period 2 element would be more reactive because the attractive force of protons is stronger when electrons are attracted to a closer electron shell.
Explanation:
Nonmetals want to add more electrons to their valence electron shell. Elements in period 2 have their valence shell closer their nucleus, then they are more reactive than period 4 elements.
14 - 2nd one
15 - I do not know
16 - also do not know
Sorry
The answer to this question is C) ALO2