Answer;
-Noble gases or Group 18 elements
Explanation;
A full valence shell is the most stable electron configuration. Group 18 elements or noble gases such as helium, neon, and argon, have a full outer, or valence, shell. Elements in other groups have partially-filled valence shells and gain or lose electrons to achieve a stable electron configuration.
They are extremely unreactive and do not form bonds with themselves. Solid helium is the the ultimate fine powder being monotomic.
_______________ reactions transfer energy to the surroundings, usually as heat.
C. Exothermic
She will need A. Bean seed that gets no fertilizer.
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It was a Greek astronomer called Aristarchus of Samos.
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Answer: they would have diarrhea, stomach cramps, vomiting, and a fever.
Explanation:
