Metals, Non Metals, Metalloids

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

• 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

Tags

NGSS.HS-PS1-1

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

The table shows the properties of three classifications of elements. What are the best headings for columns A, B, and C?

• (A) Metals, (B) Non-metals, and (C) Metalloids
• (A) Non-metals, (B) Metalloids, and (C) Metals
• (A) Metals, (B) Metalloids, and (C) Non-metals
• (A) Non-metals, (B) Metals, and (C) Metalloids

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

When an object changes shape when struck by a hammer.

• luster
• malleable
• brittleness
• ductile

Tags

NGSS.MS-PS2-1

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.

I am shiny and a good conductor of heat

• Metal

• Metalloid

• Non Metal

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

I am malleable, but do not have a shiny luster.

• Metal

• Metalloid

• Non Metal

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• None of these

Tags

NGSS.MS-PS1-1