Lead Oxide
Pb is Lead
O is Oxygen
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Answer:
1) Pure water can conduct electricity because a small proportion of its molecules dissociate into ions . The two ions formed in water are, hydrogen ions, H +, and hydroxide ions, OH -.
2) dynamic equilibrium
Explanation:
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Answers for this questions are:
1)
trough - lowest point of the wave.<span>
2) crest - highest point of wave.
3) amplitude - distance from rest position to
the crest or thoughs.
4) wavelenght - distance from two consecutive
crest or troughs.
<span>5) rest position - the flat line running through
middle of the wave.</span></span>
7, i'm pretty sure, hope I helped!