Blue (10-28)

Which of these grouping of elements could have the characteristic of luster (shiny)?

• Metal
• Nonmetal
• metalloids
• Both metals and metalloids

Tags

NGSS.HS-PS1-1

A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a 

• metal
• nonmetal
• metalloid
• cannot be determined

Tags

NGSS.HS-PS1-1

Which of the following is a property of a non-metal?

• Conducts electricity and heats well
• Can be hammered into thin sheets
• Is brittle and breaks easily
• Has a shiny, metallic luster

All of the following are properties used to classify elements as metals, non-metals, and metalloids EXCEPT —

• texture
• conductivity
• luster
• malleability