lead which is element of non metal is heavier than air
They both weigh the same! 1 TON and 1 TON!
Cold air its more dense
A square inch of lead because lead is more dense
Lead is more dense than air.
This statement is incorrect. A kilogram of lead always weighs the same as a kilogram of air since they both have a mass of one kilogram. However, lead is denser than air, so a kilogram of lead will occupy less space compared to a kilogram of air.
Water weighs more than air. This is due to the density of the substances - water is much denser than air, so a given volume of water will have more mass (and thus weight) compared to the same volume of air.
Air / Gas
no cold air is heavier because it sinks and hot air rises
The Microsoft Surface 2. The MacBook Air weighs 2 pounds, while the Surface 2 weighs about 320 pounds.
they have the same weight you would only have a different quantity of the two
An inflated balloon weighs more than a deflated one because the air inside adds mass to the balloon. When the balloon is deflated, it contains less air or no air at all, resulting in less weight.
it weighs 14.7 pounds