Is being brittle a property for:

Good conductor of heat

Iron is a good conductor, malleable and magnetic. What type of element is Iron?

Elizabeth was examining elements and their physical properties. She described an element in her science journal as having no shine, an insulator and very brittle. Would this element be a metal, non metal, or metalloid?

John was observing the physical properties of elements in order to classify them as either a metal, non metal or metalloid. The first element was dull, brittle and did not conduct heat. What would its classification be?

What does malleable mean?

Which of the following is the most reactive in dilute acid

Which of the following is the least reactive in oxygen?

Which metal is more reactive than calcium?

When metals react with water the products are...

What two things cause iron to rust?