Classification of Metals, Metalloids, Nonmetals

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

• Metal
• Nonmetal
• metalloids
• Both metals and metalloids

Which of these is a property of metals?

• It's malleable
• It can't conduct electricity
• They are used in food
• It's very brittle

Brittle

• Metal
• Nonmetal

Good conductor of heat

• Metal
• Nonmetal

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which element is a metalloid?

• Titanium
• Selenium
• Potassium
• Polonium

All of the following would classify an element as a metal except?

• Dull
• Luster
• Malleable
• Hard

Iron is a good conductor, malleable and magnetic. What type of element is Iron? 

• Metal
• Nonmetal
• Metalloid
• Pretty

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

Which table below correctly lists the properties of metals and nonmetals? *

• A
• B
• C
• D

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