False. elements in the same period have the same number of shells while elements in the same group have the same number of valence electrons.
Answer:
<h2>5.Solder........</h2><h3>Hope it helps you!!</h3>
<u>Answer:</u>
<em>Chemistry is the reaction between certain elements to </em><em>create a new compound</em><em> which may happen naturally but is mostly man made and hence has lot of good as well as </em><em>adverse effects.</em>
<u>Explanation:</u>
The <em>product or compound</em> that we get and the energy or outcome we receive is the ultimate result that decides whether chemical reaction that has happened is good or bad.
There are reactions that may cause pain and suffering to living beings and are also able to<em> Infuse damage and destruction</em> are are adverse nature. they can also change the course of nature hence are are <em>dangerous.
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<span>D. all of the above because ionic compound is a salt. it is also held together by ionic bonds. it has anions and cations </span>
Graphite conduct electricity because it contains delocalize election (free election ) the election move through the graphite
