Exploring Metals, Nonmetals, and Metalloids

What is the main focus of student expectation 8.5c?

• Understanding chemical reactions

• Learning about atomic structure

• Interpreting the arrangement of elements in the periodic table

• Studying the history of the periodic table

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Where are most metals located on the periodic table?

• Along the stair step line

• To the left of the stair step line

• In the middle of the periodic table

• To the right of the stair step line

What is a unique property of metalloids?

• They are all gases at room temperature

• They have characteristics of both metals and non-metals

• They do not conduct electricity

• They are all shiny and malleable

Which element is an exception to the rule that elements touching the stair step line are metalloids?

• Arsenic

• Silicon

• Boron

• Aluminum

What does it mean if a metal is malleable?

• It is a good conductor of electricity

• It is shiny

• It can be pulled into wires

• It can be flattened or bent

Which of the following is NOT a characteristic of metals?

• Shiny

• Brittle

• Ductile

• Malleable

What is the state of most metals at room temperature?

• Solid

• Gas

• Liquid

• Plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is a common characteristic of non-metals?

• They are good conductors of electricity

• They are brittle solids

• They are malleable

• They are shiny

Which element is a non-metal but located on the metal side of the periodic table?

• Carbon

• Oxygen

• Sulfur

• Hydrogen

If an element is a poor conductor of electricity and mainly a gas at room temperature, what is it likely to be?

• Non-metal

• Metalloid

• Transition metal

• Metal