What makes liquids composition different from that of a solid?
963224
The space between the molecules
953114
Solid,liquid and gas.
843827
Lets start with the pure substance.  It is all the same element or compound.  Solid, liquid or gas, the entire sample is exactly the same no matter where we look at it.  It is considered homogeneous.\n\nTwo or more pure substances when mixed to become homogeneous are called a solution.  Solutions can contain solids, liquids or gases but must be homogeneous (the same in all areas).  Most important solutions contain one or more solids dissolved in a liquid.  The solids are called solutes and the liquid is called the solvent.  When the solutes are mixed with the solvent, the homogeneous solution is formed.\n\nA mechanical mixture is a mix of substances where the final sample is not homogeneous.  Sand is a good example.  Even if fused into sandstone, some areas are different than other areas.  These are called heterogeneous.  Smoke floating in air is heterogeneous.  It is also a mixture.\n\nImpress your teacher with this example of a sample which contains only one element, but is still a mixture.  Diamond dust mixed with graphite dust.  Both diamond and graphite are made of pure carbon, yet the mixture is heterogeneous so it is a mechanical mixture.
444550
The difference in solubility of the components allows for separation.  I don't remember the specifics, but that is the reason.  Water will not have a big enough difference.
329842
Mercury is a liquid because of it's properties.\nVisit http://education.jlab.org/itselemental/ele080.html
697322
Air is composed of eight or so chemical molecues and combines to create a gas. Water is composed of hyrogen and oxygen molecues and exists as a liquid or solid state (ice).  The difference in density of comparing a gas to a liquid is that the gas is less dense than the liquid, therefore offering less resistance to your hand.
925136
A mineral is a solid, (generally) inorganic compound with a definite chemical composition and organized structure.  So, liquid water, not being a solid with a structure, would not be a mineral.  Ice, however, is technically a mineral.  (When it occurs in nature--sometimes the boundaries of our definitions are so arbitrary!)
361037
It is a mixture. A solution has ions in it and is possible only in liquid phase. A compound is a solid material that is formed when the materials react with each other. Even after they react they form mixed compounds. It is not suspension.
859386
Due to differences in chemical structures
853597
both have a solid, liquid, and gas phase.  it's just that to get CO2 in the liquid phase takes a lot of effort and is highly reactive in terms of it quickly evaporates to the preferred state of gaseous CO2.  just think of what each is at RT and that will help when you look at the phase diagrams
827958
The first part is correct.  If the numbers in the second part are correct, it is true only for an ideal gas.  Other materials have various densities in their liquid and solid states.
1107502
I think your question is that if both are gases, then why aren't they gases when they form together?  Let's assume that this is what you meant.\n\nWell, liquids are liquids due to a couple of reasons.  One is that they might be too heavy to overcome gravity, so the lighter stuff (like gases) floats above them.  Another reason for liquids is that the molecules like each other so much that they stick together.  This second reason is the best one that fits your answer.\n\nIt works like this: certain atoms have a high electronegativity.  That is, their nuclei are so packed with protons that they LOVE electrons.  Other atoms are the opposite...their nuclei don't have enough protons to support the electron load.\n\nWhen you take two of the same atom and stick them together, they each equally like their electrons so it's an even share.  When you take an atom that loves electrons and stick it with an atom that doesn't, the one that likes electrons pulls the electron density away from the other.\n\nAs it turns out, oxygen loves electrons and hydrogen doesn't care so much for them.  So when you stick an oxygen together with some hydrogen, the oxygen will pull the electrons towards it.  What you get in this case is a molecule that is heavy with electrons on one end and light on the other.  This forms what's called a dipole moment.  In other words, the molecule becomes a little magnet.  Put a bunch of water molecules together and they stick to each other as would thousands of tiny magnets.\n\nHydrogen gas and oxygen gas are both pairs of the same atom (H-H and O-O).  So when you stick their atoms to themselves, they don't form a dipole moment because nobody is being an electron hog.  So no magnet = no significant force pulling molecules together.  This, combined with the fact that they're pretty light, means they are gases.\n\nMost of the lighter molecules that have only 2 of the same atom are gases.  (O2, H2, Cl2, N2, ....).\n\nOf course, if you add enough energy to the system, anything will become a gas.  In such a case, you're adding so much energy to the system that the molecules want to travel fast.  This forces them to break the magnetic bonds they have with each other and float away.  As you know, this is called evaporation.\n\nHope this answered your question and sorry if I made it sound too simple.  I teach this stuff to youngins.
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Water, when heated from a solid to liquid state, but ultimately in a gaseous state it again expands.  It still obeys all the laws of chemistry, but the bonds just arrange themselves in a more space efficient manner in liquid than in solid form.\n\nAnd moses with a P, no metals exist with the properties you say.  It is physically impossible, sorry man, but I'm a biochem major and it's my job to know what stuff does under different stresses, and nothing does what you claim.  However, if you do have a material that does this, get in touch with me, we'll talk to the patent office, and we'll license it out to companies for billions of dollars.
874485
Glycerin, motor oil, honey...\n\nOh, and Robert R below is wrong about glass, the claim that glass is a very viscous fluid has been dispelled a few years ago, but the announcment thereof was seemingly not as popular as the original claim -- I was saying that myself until was shown the evidence.  Glass is an amorphous solid, and recent materials created by super-quencing metals or inhibiting crystaline formation have created a whole new class of material called glass-metals with unique properties -- do a search on vitralloy.\nBut ordinary glass will now flow over time.
942238
those liquids which do not mix with each other .....even when they are shaked well for hours together.....they appear as two different layers
152501
You really should write a more detailed question.  But I think you're asking "why do things melt and boil?"\nA solid will convert into a liquid when the Intermolecular forces are over come by the raising average Kinetic engery(Temperature) and then it boils when those forces are over come enough to break away and become a gas.
530314
Solids, liquids, and gases refer to the individual properties of matter.  Air pollution is a mix of liquids solids and gases depending on what the pollution is.  Smoke for instance is just micro-solid particles in the air.  Hydrogen sulfide for example would be a gas.