Properties of Nonmetals

What is the percentage of hydrogen in the human body by mass?

• 3%

• 10%

• 18%

• 65%

What is the percentage of calcium in the human body by mass?

• 1%

• 2%

• 3%

• 10%

Where are nonmetals found on the periodic table?

• To the left of the stair-step line

• To the right of the stair-step line

• In the middle of the table

• At the bottom of the table

What is the chemical formula for sodium hydride?

• NaCl

• NaOH

• NaH

• Na₂O

Tags

NGSS.MS-PS1-1

What is the color of chlorine gas?

• Greenish-yellow

• Reddish-orange

• Violet

• Blue

What is a mixture of hydrogen fluoride and water called?

• Hydrochloric acid

• Hydrofluoric acid

• Sulfuric acid

• Nitric acid

What is the most abundant halogen used to disinfect water in swimming pools?

• Bromine

• Iodine

• Chlorine

• Astatine

Which halogen is a liquid at room temperature?

• Chlorine

• Bromine

• Iodine

• Astatine

Tags

NGSS.MS-PS1-4

What is a use of iodine compounds besides hormone production?

• As flame retardants

• As disinfectants

• In cosmetics

• In DNA research

What is a historical use of bromine compounds that is now less common due to health concerns?

• In cosmetics

• In DNA research

• In hormone production

• In water disinfection