Question

Сравнение брома с соседями по периоду и группе

Answer 1

Соседи по группе Cl сильнее I слабее По периоду Kr сильнее Se слабее

Answer 2

Comparison of Bromine with its Period and Group Neighbors

Bromine (Br) is a chemical element that belongs to Group 17 (halogens) and Period 4 of the periodic table. Let's compare bromine with its neighbors in terms of period and group.

Period Comparison: Bromine is located in Period 4 of the periodic table. In this period, bromine is preceded by chlorine (Cl) and followed by iodine (I). These elements share similar properties due to being in the same period. They all have seven valence electrons and exhibit similar chemical behavior. However, as you move across Period 4 from left to right, there is a gradual increase in atomic size and electronegativity. This trend is observed in bromine as well, with it being larger and less electronegative compared to chlorine and smaller and more electronegative compared to iodine.

Group Comparison: Bromine belongs to Group 17, also known as the halogens. The other elements in this group include fluorine (F), chlorine (Cl), iodine (I), and astatine (At). The elements in Group 17 have similar electronic configurations, with seven valence electrons in their outermost energy level. They are highly reactive nonmetals and tend to gain one electron to achieve a stable electron configuration. As you move down Group 17, the atomic size increases, and the reactivity decreases. Bromine is larger and less reactive compared to fluorine and chlorine, but smaller and more reactive compared to iodine and astatine.

In summary, bromine is located in Period 4 and Group 17 of the periodic table. It shares similar properties with its period neighbors, chlorine and iodine, but exhibits differences in atomic size and electronegativity. In terms of its group neighbors, bromine is part of the halogens and shares similar reactivity patterns but differs in atomic size and reactivity compared to fluorine, chlorine, iodine, and astatine.