Metals, Non-metals, Metalloids skills check

If a material can easily be drawn into the shape of a wire, it is

• Ductile
• Magnetic
• Malleable
• Reactive

´Elizabeth was examining elements and their physical properties. She described an element is her science journal as having no shine, an insulator, and  very brittle. What would this element be a metal, nonmetal, or metalloid?

• metal 
• nonmetal 
• metalloid

Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 

• Metal
• Nonmetal
• Metalloid
• Pretty

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

Tags

NGSS.MS-PS1-2

The elements argon, krypton, and xenon are all non-metals. What property would these elements have in common?

• Good conductor of thermal energy
• Poor conductor of electricity
• Shiny, lustrous surface
• Soft and malleable

What physical properties are used to classify elements as metals, non-metals, or metalloids?

• Color, smell, physical state
• Reactivity, streak, hardness
• Ability to burn, mass, density
• Luster, conductivity, malleability

I have an object that is dull, brittle, and an insulator, what is it?

• metalloid
• non-metal
• metal
• matter

Describe what luster means

• How an object reflects light
• How soft an object is
• If an object floats
• If an object can be dug out of the earth.

Tags

NGSS.MS-PS4-2

Which of the following is NOT a characteristic of most metals?

• Brittle
• Good conductor
• Ductile
• Malleable