Question

Как называется группа химических элементов как (сера, фосфор, магний, калий...)

Answer 1

Макроэлементы!..................

Answer 2

Chemical Elements Group Name

The group of chemical elements including sulfur, phosphorus, magnesium, and potassium belongs to the alkali metals and alkaline earth metals groups. These groups are part of the periodic table and are characterized by specific properties and behaviors.

The elements sulfur (S) and phosphorus (P) are part of the nonmetals group, while magnesium (Mg) and potassium (K) are part of the alkaline earth metals and alkali metals groups, respectively.

Chemical Elements Group Classification

The classification of chemical elements into different groups is based on their properties and behaviors. The periodic table organizes elements into groups and periods based on their atomic structure and chemical properties.

- Alkali Metals: This group includes elements like lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). - Alkaline Earth Metals: This group consists of elements such as beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). - Nonmetals: Elements like nitrogen (N), phosphorus (P), arsenic (As), sulfur (S), selenium (Se), and tellurium (Te) are classified as nonmetals.

Chemical Elements and Their Percentages

The percentages of certain chemical elements in the Earth's crust are as follows: - Sulfur (S): 0.03% - Phosphorus (P): 0.01% - Magnesium (Mg): 2.14% - Potassium (K): 2.6%.

Conclusion

The group of chemical elements including sulfur, phosphorus, magnesium, and potassium belongs to the alkali metals, alkaline earth metals, and nonmetals groups based on their properties and behaviors. Additionally, these elements have varying percentages in the Earth's crust, with magnesium and potassium being more abundant compared to sulfur and phosphorus.