Emu eggs range in weight from 450 to 600 grams. Half a kilogram is 500 grams. Therefore, they can weigh around half a kilogram, a little more or even a little less.
Its Actually Half As Heavy As Your Mom (Shes Fat)
A troy ounce is about 1.0971 ounces. This is smaller than a pound (16 ounces)
Aluminium. Zinc is around two and a half times heavier (more dense) than Aluminium.
heavier because they are two different weights
Helium is lighter than air
tungsten is more more heavier han the lead as it has great mass in less volume
LIGHTER
Just, simply, Lighter than Air Vehicles are lighter than air, so that makes them fly, and Heavier than air vehicles are heavier than air, but they use airfoils on the wings to fly.
rhenium
hydrogen
One is lighter and the other one is heavier. :D
Tritium is lighter than deuterium. Tritium is a hydrogen isotope with one proton and two neutrons, making it heavier than regular hydrogen but lighter than deuterium, which has one proton and one neutron.