Hydrogen, Oxygen, and krypton are substances that are combinations of nonmetals.
Molecules are formed when atoms lose electrons and then attach themselves to other atoms
Nonmetals become stable by gaining or sharing enough valence electrons to have a set of eight valence electrons in a shell or energy level
they combine with themselves atoms of different elements connot combine with each other wothout making a new molecule
Some are solid (eg carbon) some are gaseous (eg oxygen) and one is liquid (bromine).
The noble gases: Helium, Neon, Argon, Krypton, Xenon, Radon, all the gases in that chemical group or family. The noble gases do not usually form compounds, except under extreme conditions: high heat and pressure, and then only in the presence of a catalyst, such a platinum [Pt] or nickel [Ni].
Ionic.
A nonmetal typically forms covalent bonds with other nonmetals or with metalloids. Nonmetals can also react with metals to form ionic compounds. Additionally, nonmetals can combine with nonmetallic elements to form compounds, such as sulfur combining with oxygen to form sulfur dioxide.
Nickel is one of the less chemically active metals. It does not easily combine with other elements.
For "only metals" the answer is alloys or intermetallic compounds, formed of course from atom of metals - the bonds are of metallic type.All other chemical compounds contain atoms of chemical elements, metals or nonmetals.
Metals combine with other metals to form alloy solutions, they can form solutions with other compounds by being dissolved in them, in most cases. As well, they form ionic bonds with nonmetals.
Chromium can combine with various elements to form different compounds. For example, it can combine with oxygen to form chromium oxide, with carbon to form chromium carbide, and with sulfur to form chromium sulfide. Additionally, chromium can also combine with other metals to form alloy compounds.
This is called a covalent bond.
Covalent bonds are typically formed between nonmetals, which then combine to form molecules in compounds. These elements share electrons to achieve a stable electron configuration and create distinct molecular structures. Ionic bonds, on the other hand, form compounds that consist of ions rather than molecules.
Ionic compounds are formed through the transfer of electrons between atoms, leading to the formation of ions held together by electrostatic forces. On the other hand, molecular compounds are formed through the sharing of electrons between atoms, resulting in the creation of molecules held together by covalent bonds. Ionic compounds typically consist of a metal and a nonmetal, while molecular compounds involve nonmetals bonding with other nonmetals.
Nonmetals commonly react with metals to form ionic compounds. Nonmetals can also react with other nonmetals to form covalent compounds. Additionally, nonmetals can react with oxygen, hydrogen, and halogens to form various types of compounds.
No, atoms of nonmetals usually gain electrons when they combine with other atoms. Nonmetals have a tendency to attract electrons to achieve a stable electron configuration, typically by forming covalent bonds with other nonmetals or by gaining electrons to form anions.
Nonmetals may react with metal to form ionic compounds (salts) or other nonmetal elements to form organic compounds.