Iron and Sulphur-- 7.PS1.3--

What are elements made of?

• Only molecules

• Atoms and molecules mixed together

• Only one type of atom

• Different types of atoms mixed together

Tags

NGSS.MS-PS1-1

Which element is magnetic?

• Sulfur

• Oxygen

• Carbon

• Iron

Can iron filings be separated from sulfur using a magnet?

• No, because sulfur is also magnetic

• Yes, because iron is magnetic

• No, because they form a compound

• Yes, but only in liquid form

What happens when iron filings and sulfur are mixed together without heating?

• They form a mixture that can be separated

• They cannot be mixed

• They dissolve into each other

• They form a compound immediately

Tags

NGSS.MS-PS1-2

What is required to start the reaction between iron filings and sulfur?

• Exposing it to sunlight

• Heating the mixture

• Adding water

• Freezing the mixture

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What type of reaction occurs when iron filings and sulfur react to form a compound?

• Electrochemical reaction

• Exothermic reaction

• Endothermic reaction

• Photochemical reaction

Tags

NGSS.MS-PS1-2

What is the new compound formed from the reaction of iron and sulfur called?

• Iron sulfate

• Sulfuric iron

• Iron sulfide

• Iron sulfur

Is the newly formed compound, iron sulfide, magnetic?

• No, because it is a compound

• Yes, but less than pure iron

• No, because it contains sulfur

• Yes, because it contains iron