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Answer: C) nonmetal</h3>
This element has 8 protons, so element is oxygen. I recommend looking at the periodic table of elements. At standard temperature and pressure (STP), oxygen is a gas, so that puts it in the nonmetal category.
Side note: Metalloids are a collection of elements where they share properties of metals and nonmetals (in a way they're on the fence).
K-7.2>2.1.
+7.2 +7.2
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k> 9.3
are you suppose to solve for k?
2 would be the correct answer.
10/5 = 2/1 = 2