Nonmetals Answers

Choose the nonmetallic elements from the list. Check all that apply.yttriumoxygenboronpoloniumargongalliumcarbon

Rank the nonmetals in each set from most reactive (1) to least reactive (3). Neon: ⇒ 3 Selenium: Fluorine:

Identify whether each element is a halogen, a noble gas, or nonmetal only.

halogennoble gas✔ nonmetal only

halogen✔ noble gasnonmetal only

✔ halogennoble gasnonmetal only

halogennoble gas✔ nonmetal only

Rank the nonmetals in each set from most reactive (1) to least reactive (3). Bromine: Chlorine: Iodine:

Which nonmetals have similar chemical properties? Check all that apply.sulfurnitrogenseleniumoxygencarbonfluorine

Identify whether each element is a halogen, a noble gas, or nonmetal only. Astatine (At): Nitrogen (N): Krypton (Kr): Chlorine (Cl): Sulfur (S):

A sample of iodine is easiest to ship as a powder because it is , making it easy to break into small pieces. Helium is less than the elements that make up the air we breathe, so a balloon filled with helium will float in air. Plastic is a compound of nonmetallic elements, so its properties make it a popular coating for electric wires to prevent the current from escaping.

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Lorenzo is making a prediction. “I learned that nonmetals increase in reactivity when moving from left to right. So I predict that xenon will be more reactive than iodine.” Is Lorenzo correct? If so, why? If not, explain his error.

What did you include in your response? Check all that apply.