Metals

Question 1

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.

Revolt · Accepted Answer

brittle; Selection 1: brittle; Selection 2: dense; Selection 3: electrically insulating

Question 2

Question 2

Revolt · Accepted Answer

dense

Question 3

Question 3

Revolt · Accepted Answer

electrically insulating

Question 4

Question 4

Revolt · Accepted Answer

halogen

Question 5

Question 5

Revolt · Accepted Answer

nonmetal only

Question 6

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

Revolt · Accepted Answer

⇒ 3: 73675; Part 2: 2; Part 3: 1

Question 7

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

Revolt · Accepted Answer

oxygen; argon; carbon

Question 8

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

Revolt · Accepted Answer

halogen; Selection 1: halogen; Selection 2: nonmetal only; Selection 3: noble gas; Selection 4: halogen; Selection 5: nonmetal only

Question 9

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

Revolt · Accepted Answer

sulfur; selenium; oxygen

Question 10

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

Revolt · Accepted Answer

Part 1: 2; Part 2: 1; Part 3: 3

Metals Answers

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