They are to varying degrees. For example, in period 2, reactivity of non-metals increases from carbon to fluorine, before decreasing to almost zero for Neon (noble gas).
alkali metals
No, noble gases are not metals; they are a group of non-metal elements. Noble gases are the least reactive elements because they have a full valence shell of electrons, which makes them stable and unlikely to form chemical bonds with other elements. Alkali metals are the most reactive metals, while transition elements have varying reactivity levels depending on the element.
Alkali metals, such as sodium and potassium, are so reactive that they are never found as uncombined elements in nature. They readily react with other elements to form compounds.
The most reactive metals are the alkali metals in group 1a.
Metals are more reactive elements.
Highly reactive metals that easily combine with other elements are called alkali metals, like sodium and potassium. They react vigorously with water and oxygen.
Non-reactive elements in the periodic table are typically the noble gases, such as helium, neon, and argon. These elements have a full outer electron shell, making them stable and less likely to form chemical bonds. Reactive elements are those that readily form chemical bonds with other elements, such as the alkali metals (e.g. sodium, potassium) and halogens (e.g. fluorine, chlorine).
The reactive group of all metals consists of elements located in Group 1 and Group 2 of the periodic table, known as the alkali metals and alkaline earth metals, respectively. These metals are highly reactive due to their tendency to lose electrons and form positive ions.
The elements furthest to the left (alkaline earth metals)
The very reactive elements are typically found in Group 1 (alkali metals) and Group 17 (halogens) of the periodic table. Alkali metals tend to react violently with water, while halogens are known for their high reactivity and tendency to form salts with metals.
The most reactive non-metals are the halogens, group 17.
one reacts and one doesn't