Question

В таблице Менделеева элементы начинаются с щелочных металлов , заканчиваются инертным газом. Вопрос: а что между щелочными металлами и инертными газами?

Answer 1

В таблице Менделеева элементы начинаются с щелочных металлов , заканчиваются инертным газом. Вопрос: а что между щелочными металлами и инертными газами?химические элементы других групп.

Answer 2

The Periodic Table of Elements

The Periodic Table of Elements is a tabular arrangement of chemical elements, organized based on their atomic number, electron configuration, and recurring chemical properties. It was first proposed by Dmitri Mendeleev in 1869 and has since become a fundamental tool in chemistry.

Alkali Metals and Noble Gases

In the Periodic Table, the elements begin with the alkali metals and end with the noble gases. Alkali metals are located in Group 1 (IA) of the Periodic Table, and they include elements such as lithium (Li), sodium (Na), potassium (K), and so on. Alkali metals are highly reactive and tend to lose one electron to form a +1 cation.

On the other hand, the noble gases are located in Group 18 (VIII) of the Periodic Table. They include elements such as helium (He), neon (Ne), argon (Ar), and so on. Noble gases are characterized by their low reactivity and full valence electron shells, making them stable and unreactive.

Elements Between Alkali Metals and Noble Gases

Between the alkali metals and noble gases, there are several other groups of elements. These include the alkaline earth metals (Group 2), transition metals (Groups 3-12), metalloids (located along the "staircase" line), nonmetals (Group 14-17), and halogens (Group 17).

The alkaline earth metals, such as beryllium (Be), magnesium (Mg), and calcium (Ca), are less reactive than the alkali metals but still more reactive than the transition metals.

The transition metals, which include elements like iron (Fe), copper (Cu), and gold (Au), are known for their variable oxidation states and their ability to form colorful compounds.

Metalloids, such as silicon (Si) and germanium (Ge), have properties that are intermediate between metals and nonmetals.

Nonmetals, like carbon (C), nitrogen (N), and oxygen (O), are typically poor conductors of heat and electricity and can form a variety of compounds.

Halogens, such as fluorine (F), chlorine (Cl), and iodine (I), are highly reactive nonmetals that readily form salts with alkali metals.

Conclusion

In summary, the Periodic Table of Elements begins with the alkali metals and ends with the noble gases. Between these two groups, there are several other groups of elements, including alkaline earth metals, transition metals, metalloids, nonmetals, and halogens. Each group has its own unique properties and characteristics.

I hope this explanation helps! Let me know if you have any further questions.