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chalk
Yes! it is brittle
No, it's not brittle at all.
Chalk is almost pure Calcium Carbonate. Chalk is a form of Calcium.
Yes, chalk is brittle.
YeS
Soft & brittle.
biscuits peanut brittle eggshell coral osteoporosis
Hardness is the question of how difficult it is to make an impression on a substance. Brittleness is the question of how easy it is to break. Granite is a stone which is very hard but not brittle--it is hard to carve and also hard to break. A plank of wood is not as hard as stone but is not very brittle. You can carve on it with a knife but it won't shatter if you drop it. Glass is hard and brittle. Chalk is not hard but it is brittle.
iron and copper are hard materials .
It means you need to see a dentist to find out what is going on with you teeth. If, instead of your teeth breaking like chalk, your fingers broke off and you felt no pain, would you hesitate to see a doctor? See a dentist before you feel pain.
chalk
colored chalk sidewalk chalk dustless chalk
rubber is harder than chalk !
brittle
There are a couple of things that make chalk hard. The calcium in chalk is said to make chalk hard.