Whether hydrogen is a solid, liquid or gas depends on the temperature. It is a gas at most normal temperatures, as it boils at around 10K, which gives it the lowest boiling point of any element except helium.
Gases, liquids and solids are all made up of atoms, molecules, and/or ions, but the behaviors of these particles differ in the three phases. gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.
A gas is a substance with no definite volume and no definite shape. Solids and liquids have volumes that do not change easily. A gas, on the other hand, has a vol- ume that changes to match the volume of its container. The molecules in a gas are very far apart compared with the molecules in a solid or a liquid.
Amazingly almost every element can exist as a solid, a liquid, and a gas - it all depends on the temperature. Mercury, for example, is generally found as a liquid but at -40 degrees Celsius it freezes and turns into a solid. And Mercury vapor (gas) is found in some particles of light.
At room temperature and pressure, chlorine is a gas. It's a gas because chlorine (Cl2) does not have strong enough inter-molecular interactions to keep the molecular closely packed together to be a solid or even a liquid.
This element is a solid. This element is a gas. Helium is classified as an element in the 'Noble Gases' section which can be located in group 18 of the Periodic Table. The term 'Noble gas' derives from the Old High German word Edelgas from 'edili' meaning "noble".
Most of the metals are solids under "ordinary" conditions (i.e., 25ºC, 1 atmosphere of pressure, etc.), with the exception of mercury (Hg, element 80), which solidifies at -39ºC, and is a freely-flowing liquid at room temperature. Several of the nonmetals are gases in their elemental form.
As a pure element, iodine is a lustrous purple-black nonmetal that is solid under standard conditions. It sublimes (changes from a solid to a gaseous state while bypassing a liquid form) easily and gives off a purple vapor.
Phosphorus is classified as an element in the 'Non-Metals' section which can be located in groups 14,15 and 16 of the Periodic Table. Non-metallic elements exist, at room temperature, in two of the three states of matter: gases (Oxygen, Hydrogen & Nitrogen) and solids (Carbon, Phosphorus, Sulfur and Selenium).
The only liquid elements at standard temperature and pressure are bromine (Br) and mercury (Hg). Although, elements caesium (Cs), rubidium (Rb), Francium (Fr) and Gallium (Ga) become liquid at or just above room temperature.
Data Zone
| Classification: | Calcium is an alkali earth metal |
|---|
| Color: | silvery-gray |
| Atomic weight: | 40.078 |
| State: | solid |
| Melting point: | 842 oC, 1115 K |
Gold is a chemical element with the symbol Au (from Latin: aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal.
The classical states of matter are usually summarized as: solid, liquid, gas, and
plasma.
Low-energy states
- Solid: A solid holds a definite shape and volume without a container.
- Liquid: A mostly non-compressible fluid.
- Gas: A compressible fluid.
Matter is any thing that is made from atoms and molecules. ( Studios, 1995) . The seven states of matter that I am investigating are Solids, Liquids, Gases, Ionized Plasma, Quark-Gluon Plasma, Bose-Einstein Condensate and Fermionic Condensate. Solid Definition - Chemistry Glossary Definition of Solid.
Only two elements are liquid at standard conditions for temperature and pressure: mercury and bromine. Four more elements have melting points slightly above room temperature: francium, caesium, gallium and rubidium.
Ask students to shake the bottles and to think about what state of matter describes the substances inside of each bottle. Have students place the states of matter (the bottles) on the table in from of them from solid on the left, to liquid (in the middle) to gas (on the right).
The classical states of matter are usually summarized as:
solid,
liquid,
gas, and
plasma.
Low-energy states
- Solid: A solid holds a definite shape and volume without a container.
- Liquid: A mostly non-compressible fluid.
- Gas: A compressible fluid.
Currently voted the best answer.
Less familiar phases include: quark-gluon plasma; Bose-Einstein condensates and fermionic condensates; quantum spin Hall state; degenerate matter; strange matter; superfluids and supersolids; and possibly string-net liquids.The classical states of matter are usually summarized as: solid,
liquid, gas, and
plasma.
Low-energy states
- Solid: A solid holds a definite shape and volume without a container.
- Liquid: A mostly non-compressible fluid.
- Gas: A compressible fluid.
Water is unique because the properties of water allow it to exist in all three states of matter! Water is usually a liquid, but when it reaches to 32° Fahrenheit (F), it freezes into ice. (Ice is the solid state of water.) When water reaches 212° F, it boils.
Liquids around room temperature. The only liquid elements at standard temperature and pressure are bromine (Br) and mercury (Hg). Although, elements caesium (Cs), rubidium (Rb), Francium (Fr) and Gallium (Ga) become liquid at or just above room temperature.
Silicon is much more abundant than any other element, apart from the Oxygen. The Atomic Number of this element is 14 and the Element Symbol is Si. Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid.
Fats (triglycerides) that contain palmitic acid and stearic acid are therefore known as saturated fats. Fats made up of saturated fatty acids are solid at room temperature.
Solids. In the solid state, the individual particles of a substance are in fixed positions with respect to each other because there is not enough thermal energy to overcome the intermolecular interactions between the particles. As a result, solids have a definite shape and volume.
This element is a solid. Aluminium classified in the 'Other Metals' section which can be located in groups 13, 14, and 15 of the Periodic Table. All of these elements are solid, have a relatively high density and are opaque.
In Mesopotamia (Iraq) there is evidence people were smelting iron around 5000 BC. Artifacts made of smelted iron have been found dating from about 3000 BC in Egypt and Mesopotamia. In those times, iron was a ceremonial metal; it was too expensive to be used in everyday life.
Nonmetal Gas Elements
Most of the nonmetals are clear, odorless gases at room temperature. Hydrogen, helium, nitrogen, oxygen, neon, argon, krypton, xenon, and radon all fit into this category.
