halogens react to form halides
All of them tend not to react with each other until you get lower down the group
Many elements and compounds can react with hydrogen gas, such as oxygen to form water, halogens to form hydrogen halides, and metals to form metal hydrides. In general, hydrogen gas can react with many elements and compounds under the right conditions.
Noble gases or group 18 elements
Atoms of column 7A become anions when they react with atoms of group 1A elements, which become cations. Both the cations and the anions are monovalent. The cations and anions together form an ionically bonded compound.
Potassium is a metal, and it would react to group 17 (7A) because those elements are nonmetals.
Elements that are likely to react with calcium include oxygen, chlorine, fluorine, and sulfur. Oxygen can form oxides of calcium, while chlorine and fluorine can form calcium halides. Sulfur can react with calcium to form calcium sulfide.
When group 7 elements (halogens) react with air, they form oxides and/or halides. For example, chlorine forms chlorine dioxide (ClO2) or chlorine gas (Cl2) when reacting with air. The specific compound formed depends on the specific halogen and conditions of the reaction.
elements are in the same group since they react similarly to other elements in that group.
All of them tend not to react with each other until you get lower down the group
Noble Gases
Group 18, the noble gases, are elements that hardly react with other elements. This is because they have their full complement of eight valence electrons.
Group-18 elements least react with other elements. They are inert in nature. They are called noble gases.Elements in group 18 are less likely to react with any other elements. This group is made out of the noble gases. Its members are He, Ne, Ar, Kr, Xe and Rn.
It is the s block. they are reactivated generally.
Many elements and compounds can react with hydrogen gas, such as oxygen to form water, halogens to form hydrogen halides, and metals to form metal hydrides. In general, hydrogen gas can react with many elements and compounds under the right conditions.
Noble gases or group 18 elements
Halogens react with air to form metal halides. For example, chlorine will react with iron to form iron(III) chloride. Halogens are highly reactive and will readily form compounds with many elements in the air.
Atoms of column 7A become anions when they react with atoms of group 1A elements, which become cations. Both the cations and the anions are monovalent. The cations and anions together form an ionically bonded compound.