Periodic Table Test Review

Which group borders the stair-step (zig-zag) line? 

• metals
• nonmetals
• metalloids

This unknown conducts electricity very well and is ductile.

• metals
• nonmetals
• metalloids

This substance is a gas at room temperature and does not conduct electricity.

• metals
• nonmetals
• metalloids

This unknown is very malleable and ductile and is used for wiring in electrical appliances. 

• metals
• nonmetals
• metalloids

An unknown substance is a very brittle solid that looks very dull. 

• metals
• nonmetals
• metalloids

If a substance is found to be shiny and malleable but a very poor conductor of electricity,it is a _________.

• metal
• nonmetal
• metalloid

An unknown is a solid at room temperature and is a semi conductor. 

• metal
• nonmetal
• metalloid

Elements in the modern periodic table are arranged by increasing ___.

• atomic symbol
• atomic mass
• atomic number
• atomic charge

Elements arranged in a vertical (up & down) column in the periodic table are classified as a ____.

• group
• period
• row
• class

Elements in the same group have the same number of ____.

• protons
• valence electrons
• energy levels
• neutrons