Metals, Non-Metals, Metalloids

Which of the following is not a property of a metal?

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

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

• color
• conductivity
• luster
• malleability

Aluminum (Al) is classified as a metal while silicon (Si) is classified as a metalloid. Which physical property do these two elements most likely have in common? They both -

• exist as gases at room temerature
• have a dull appearance
• are brittle and shatter easily
• conduct electricity very well

Which of the following correctly lists the three main groups of elements from least conductivity to greatest conductivity?

• nonmetals, metalloids, metals
• metals, Nonmetals, metalloids
• metalloids, metals, nonmetals
• metals, metalloids, nonmetals

The table shows the properties of four elements. Which element in the table is classified as a metal?

• Aluminum
• Sulfur
• Silicon
• Neon

Which of the following tables correctly lists the physical properties of metals and nonmetals?

• Table A
• Table B
• Tabel C
• Table D

Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table below.

• Sample 1
• Sample 2
• Sample 3
• Sample 4

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

• Good conductors of thermal energy
• Poor conductors of electricity
• Shiny luster
• Soft and Malleable

What properties are used to classify elements as metals, nonmetals or metalloids?

• Color, smell, texture
• Luster, conductivity, malleability
• Location on periodic table, smell, luster
• Malleability, physical state, texture