In general, the materials termed 'composites' and 'ceramics' have arrangement of their atoms.

Which of these reactions are redox reactions? check all that apply. cd + hcl → cdcl2  + h2cucl2  + na2s → 2nacl + cuscaco3  → cao + co2          2zns + 3o2  → 2zno + 2so2          ch4  + 2o2  → co2  + 2h2o

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.