Answer:
0.8 g/cm^3
Explanation:
Density is the amount of substance present per volume.
Density = Mass / Volume = (25.0 g) / (30.0 cm) = 0.83333 g/cm^3
=> Density = 0.8 g/cm^3 (rounded up to one decimal place)
Waves depends on density and elasticity of the medium
Al will have a higher first and third ionization energy
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