Metalloids

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

• Metal
• Nonmetal
• Metalloid
• Pretty

If an object is a better conductor of heat and electricity than nonmetals, but not as good of a conductor as metals, then it is a-

• semi-conductor
• non-conductor
• good conductor

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

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

• texture
• conductivity
• luster
• malleability

______________ refers to the way most metals can be stretched into wires.

• Luster

• Ductile

• Malleable

• Metal

The way a metal’s surface reflects light is called ________________.

• dull

• luster

• solids

• metal

______________ refers to the way a metal can be hammered or rolled into thin sheets.

• Luster

• Malleable

• Metalloids

• Solid

This group of elements have properties that are opposite those of metals. ______________________

• luster

• nonmetals

• metalloids

• metals

Which of the metalloids has the fewest protons in its nucleus?

• hydrogen

• boron

• silicon

• carbon

What is the atomic number for germanium?

• 42
• 33
• 32
• 38

Which metalloid has the chemical symbol Te?

• terbium

• tellurium

• thallium

• tungsten