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kirill [66]
3 years ago
15

The elements silicon (atomic number 14) and chlorine (atomic number 17) are both in Period 3. Which is the more reactive element

?  
Chemistry
2 answers:
Svetlanka [38]3 years ago
5 0

Answer;

-Chlorine is more reactive than silicon

Explanation;

-As you move across a period, the nuclear charge will increase; the number of energy levels will stay the same, so there is a stronger and stronger attraction for the electrons.

-The electrons are being held more tightly as you move across a period. It becomes more and more difficult to lose electrons and consequently the reactivity of non metals increases as you go from left to right across the periodic table; Therefore; chlorine is more reactive than silicon.

Over [174]3 years ago
3 0
Chlorine<span> is </span>more reactive<span> than </span>silicon<span>. </span>Chlorine<span> has 7 valence electrons; nearly a full outer shell, while </span>silicon<span> has only 4 valence electrons</span>
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