Exploring Properties of Metals, Nonmetals, and Metalloids

What property does luster describe in an element?

• Shininess

• Hardness

• Density

• Color

Which element showed unexpected conductivity due to being mixed with other substances?

• Copper

• Carbon

• Magnesium

• Aluminum

Tags

NGSS.MS-PS2-3

Which element is known for its excellent conductivity and is used in wiring?

• Carbon

• Magnesium

• Copper

• Sulfur

What was the result of hammering silicon?

• It became shiny

• It remained unchanged

• It broke into pieces

• It flattened out

Which element showed the most vigorous reaction with copper chloride?

• Aluminum

• Sulfur

• Carbon

• Zinc

Tags

NGSS.MS-PS1-2

What was observed when magnesium reacted with copper chloride?

• No reaction

• Slight bubbling

• Vigorous fizzing and color change

• Turned blue

Tags

NGSS.MS-PS1-2

Which element did not react with hydrochloric acid?

• Aluminum

• Magnesium

• Sulfur

• Zinc

What gas was tested for flammability during the reaction of magnesium with hydrochloric acid?

• Oxygen

• Nitrogen

• Hydrogen

• Carbon dioxide

Which element showed slight bubbling when reacted with hydrochloric acid?

• Silicon

• Sulfur

• Copper

• Zinc

What is the purpose of the post-lab questions mentioned at the end of the lab?

• To test knowledge of chemical formulas

• To classify elements based on periodic table trends

• To identify unknown elements

• To measure reaction times

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5