Because a glass window is harder than a fingernail, a glass window would have a higher number on the Mohs Hardness Scale.
would have a lower number on the Mohs Hardness Scale
would have the same number as a fingernail on the Mohs Hardness Scale.
science

Select the atomic models that belong to the same element

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?