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All metals are lighter than water if you have a lot of water and just a little bit of metal!
What you really mean to ask if what metals are less dense than water.
Several metals are not as dense as water. (The density of water is 1 gram per cm3 at 4 °C.) Here's the list:
lithium (Li), density: 0.53 g/cm3
potassium (K), density: 0.86 g/cm3
sodium (Na), density: 0.97 g/cm3
However, due to the extreme chemical reaction of these elements with water, you will never see any of these pure metals floating on water for any long period of time before you see a violent reaction, which in some cases will explode.
What else can I help you with?
What happens when water vapor is lighter than nitrogen or oxygen?
Water vapor is a gas so it is in the air. Nitrogen and nitrogen are in the air too, but there is more nitrogen than anything in the air. I believe it rises because it is lighter, like a balloon filled with helium.
Is a feather lighter than water?
Yes a feather is lighter than water. Water can be gallons. A feather however is no pounds. If you have a scale at home than fill up a cup of water than get a feather, from like a scarf a pillow etc. And put the water on first, then write down the number. Then put the feather on the scale and write down that number then compare.
Is calcium metal more or less dense than water?
Calcium metal is more dense than water. If you had a block of calcium and dropped it in a container of water, it would sink. Note! Calcium reacts with water! Calcium metal is stored in a container beneath kerosene or another liquid to isolate the metal from air. Calcium will chemically react with the moisture in air and will thus be decomposed.
What is heavier iron or silica?
Iron is heavier because iron is a metal and metals are heavier but silica is not a metal so silica is lighter than iron.
Can you mix helium and water?
Of course you CAN mix it. you can mix anything as long as you have it.
Are rubber plates lighter than metal plates?
Yes, rubber plates are generally lighter than metal plates.
Are rubber weights lighter than metal weights?
Yes, rubber weights are generally lighter than metal weights.
Are mangoes lighter than water?
Yes, mangoes are lighter than water. The density of mangoes is lower than the density of water, which means they will float in water.
Is Saturn lighter or heavier than water?
Saturn is much lighter than water. It is a gas giant made primarily of hydrogen and helium, with a density lower than that of water.
Is frozen water 9 pecent lighter than water?
Yes, Frozen water is 9% Lighter than actual water .
Do plastic float on water?
depends if the plastic is heavier or lighter than water and if its hold air which is lighter than water
What is heavier than water but lighter than mercury?
salted water
Is metal framing lighter than 2 by 4 framing?
Yes
Why is water lighter than oil?
Oil is lighter than water due to it's lower specific gravity, specific gravity being the "density" of a fluid relative to water.
Why do rubber plates feel lighter than metal plates when lifting weights?
Rubber plates feel lighter than metal plates when lifting weights because rubber is less dense than metal, so rubber plates take up more space for the same weight. This makes them feel lighter and easier to lift.
Is methanol lighter than water?
Yes, methanol is lighter than water. Methanol has a lower density compared to water, which means it will float on top of water.
Does water float on petrol?
Yes - Oil is lighter than water. Petrol, or gasoline, floats on water because it is lighter that water.
