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Do any metallic elements ordinarily occur as gases?
Yes, some metallic elements occur as gases at room temperature, for example, mercury (Hg) and gallium (Ga). These elements have low boiling points and vaporize easily, leading them to exist in gaseous form under typical conditions.
What is an example of a metallic and a nonmetallic element that ordinarily occur as liquids?
A metal is mercury and a nonmetal is bromine.
What occurs in natures uncombined elements?
The items that occur in nature as uncombined elements are the noble gases. These gases include xenon, helium, radon, argon, neon, and krypton.
In which phase do most elements occur at room temperature?
Most metals at room temperature are in the solid phase. Gold is the most malleable and ductile of all known metals.
What state do almost all metals occur in naturally?
Metals typically occur in their native form, meaning they are found naturally as pure elements in the Earth's crust. This is because metals are stable in their metallic form due to their high reactivity with other elements.
What elements do not naturally occur as a diatomic molecules?
Some elements do not naturally occur as diatomic molecules, such as helium, neon, argon, krypton, and xenon. These elements exist as monatomic gases because they are stable in their single atom form due to having a full valence electron shell.
What forms if two or more elements are chemically bonded?
When two or more elements are chemically bonded, they form a compound. Compounds have unique properties that differ from the individual elements that compose them. The bonding can occur through various types of interactions, such as ionic, covalent, or metallic bonds, depending on the elements involved.
Where does the exchange of gases occur in the plant?
During the stage of photosynthesis, the exchange of gases occur in the leaves.
What kinds of bonds can happen between the elements of compound?
Covalent and ionic. (The other major type of bond, metallic, does not occur in compounds but only in elemental metals and in mixtures of metals.)
Why can elements be produced in the sun but not in earths atmosphere?
Elements can be produced in the sun through nuclear fusion reactions that occur due to the intense heat and pressure. These conditions are not present in Earth's atmosphere, which is why elements are not produced there. Earth's atmosphere primarily consists of gases and does not contain the necessary conditions for nuclear fusion to occur.
What kinds of bonds can happen between the elements and compounds?
Elements and compounds can form ionic bonds, covalent bonds, or metallic bonds. In ionic bonds, electrons are transferred from one atom to another. Covalent bonds involve the sharing of electrons between atoms. Metallic bonds occur in metals where electrons are free to move between atoms.
The elements in which group are known as the noble gases?
The elements belonging to group 18 are known as noble gases. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
