Question
<em>Given the electron configuration of an atom: 1s2, 2s2, 2p5 , what is the element?
</em>
Answer:
<em>A.) Fluorine </em>
Hope this helps!
Answer:
the activation energy is 65-30
35
Answer:
c
Explanation:
color chance - evidence
gas formation - is evidence
melting - is not (because its only a change in state, eg. ice--> melts into water) melting is an example of physical chance
odor - is evidence